The difference between Foot and Luff
When used as nouns, foot means a biological structure found in many animals that is used for locomotion and that is frequently a separate organ at the terminal part of the leg, whereas luff means the vertical edge of a sail that is closest to the direction of the wind.
When used as verbs, foot means to use the foot to kick (usually a ball), whereas luff means to shake due to being trimmed improperly.
check bellow for the other definitions of Foot and Luff
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Foot as a noun (countable):
A biological structure found in many animals that is used for locomotion and that is frequently a separate organ at the terminal part of the leg.
Examples:
"A spider has eight feet."
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Foot as a noun (countable, anatomy):
Specifically, a human foot, which is found below the ankle and is used for standing and walking.
Examples:
"Southern Italy is shaped like a foot."
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Foot as a noun (uncountable, often used attributively):
Travel by walking.
Examples:
"We went there by foot because we could not afford a taxi."
"There is a lot of foot traffic on this street."
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Foot as a noun (countable):
The base or bottom of anything.
Examples:
"I'll meet you at the foot of the stairs."
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Foot as a noun (countable):
The part of a flat surface on which the feet customarily rest.
Examples:
"We came and stood at the foot of the bed."
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Foot as a noun (countable):
The end of a rectangular table opposite the head.
Examples:
"The host should sit at the foot of the table."
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Foot as a noun (countable):
A short foot-like projection on the bottom of an object to support it.
Examples:
"The feet of the stove hold it a safe distance above the floor."
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Foot as a noun (countable):
A unit of measure equal to twelve inches or one third of a yard, equal to exactly 30.48 centimetres.
Examples:
"The flag pole at the local high school is about 20 feet high."
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Foot as a noun (countable, music):
A unit of measure for organ pipes equal to the wavelength of two octaves above middle C, approximately 328 mm.
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Foot as a noun (military, collective):
Foot soldiers; infantry.
Examples:
"King John went to battle with ten thousand foot and one thousand horse."
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Foot as a noun (countable, cigars):
The end of a cigar which is lit, and usually cut before lighting.
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Foot as a noun (countable, sewing):
The part of a sewing machine which presses downward on the fabric, and may also serve to move it forward.
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Foot as a noun (countable, printing):
The bottommost part of a typed or printed page.
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Foot as a noun (printing):
The base of a piece of type, forming the sides of the groove.
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Foot as a noun (countable, prosody):
The basic measure of rhythm in a poem.
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Foot as a noun (countable, phonology):
The parsing of syllables into prosodic constituents, which are used to determine the placement of stress in languages along with the notions of constituent heads.
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Foot as a noun (countable, nautical):
The bottom edge of a sail.
Examples:
"To make the mainsail fuller in shape, the outhaul is eased to reduce the tension on the foot of the sail."
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Foot as a noun (countable, billiards):
The end of a billiard or pool table behind the foot point where the balls are racked.
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Foot as a noun (countable, botany):
In a bryophyte, that portion of a sporophyte which remains embedded within and attached to the parent gametophyte plant.
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Foot as a noun (countable, malacology):
The muscular part of a bivalve mollusc or a gastropod by which it moves or holds its position on a surface.
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Foot as a noun (countable, molecular biology):
The globular lower domain of a protein.
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Foot as a noun (countable, geometry):
The point of intersection of one line with another that is perpendicular to it.
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Foot as a noun:
Fundamental principle; basis; plan.
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Foot as a noun:
Recognized condition; rank; footing.
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Foot as a verb (transitive):
To use the foot to kick (usually a ball).
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Foot as a verb (transitive):
To pay (a bill).
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Foot as a verb:
To tread to measure or music; to dance; to trip; to skip.
Examples:
"rfquotek Dryden"
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Foot as a verb:
To walk.
Examples:
"rfquotek Shakespeare"
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Foot as a verb:
To tread.
Examples:
"to foot the green"
"rfquotek Tickell"
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Foot as a verb (obsolete):
To set on foot; to establish; to land.
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Foot as a verb:
To renew the foot of (a stocking, etc.).
Examples:
"rfquotek Shakespeare"
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Foot as a verb:
To sum up, as the numbers in a column; sometimes with up.
Examples:
"to foot (or foot up) an account"
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Luff as a noun (nautical):
The vertical edge of a sail that is closest to the direction of the wind.
Examples:
"By easing the halyard, the luff of the sail was made to sag to leeward."
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Luff as a noun (nautical):
The act of sailing a ship close to the wind.
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Luff as a noun (nautical):
The roundest part of a ship's bow.
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Luff as a noun (nautical):
The forward or weather leech of a sail, especially of the jib, spanker, and other fore-and-aft sails.
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Luff as a verb (nautical, of a sail, intransitive):
To shake due to being trimmed improperly.
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Luff as a verb (nautical, of a boat, intransitive):
To alter course to windward so that the sails luff. (Alternatively luff up)
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Luff as a verb (nautical, transitive):
to let out [a sail] so that it luffs.
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Luff as a verb (mechanical):
To alter the vertical angle of the jib of a crane so as to bring it level with the load.