The difference between Fourth and Quarter

Fourth as an adjective:

The ordinal form of the number four.

Fourth as a noun (not used in the plural):

The person or thing in the fourth position.

Fourth as a noun (chiefly American):

A quarter, one of four equal parts of a whole.

Fourth as a noun (not used in the plural):

The fourth gear of an engine.

Fourth as a noun (music):

A musical interval which spans four degrees of the diatonic scale, for example C to F (C D E F).

Quarter as an adjective:

Pertaining to an aspect of a quarter.

Quarter as an adjective (chiefly):

Consisting of a fourth part, a quarter (1/4, 25%).

Quarter as an adjective (chiefly):

Related to a three-month term, a quarter of a year.

Quarter as a noun (now, _, primarily, financial):

Any fourth of something, particularly: A quarter-dollar, divided into 25 cents; the coin of that value minted in the United States or Canada. A quarter of the year, 3 months; a season. The quarter-ton or tun, divided into 8 bushels, the medieval English unit of volume and weight named by the Magna Carta as the basis for measures of wine, ale, and grain The quarter-yard, divided into 4 nails, an obsolete English unit of length long used in the cloth trade The watch: A quarter of the night, nominally 3 hours but varying over the year. A charge occupying a fourth of a coat of arms, larger than a canton and normally on the upper dexter side, formed by a perpendicular line from the top meeting a horizontal line from the side. A period into which a game is divided. . quarterfinal

Quarter as a noun (usually plural):

Any substantial fraction of something less than half, particularly: A division or section of a town or other area, whether or not it constituted a fourth of the whole. A living place, from which: # A quartermaster; a quartermaster sergeant. #* |title=No More Parades|publisher=Penguin|year_published=2012|chapter=Parade's End|page=360|passage=Tietjens said: ‘Send the Canadian sergeant-major to me at the double….' to the quarter.}} # Amity, friendship, concord; accommodation given to a defeated opponent, mercy. #* #* and yet kept good quarter between themselves.}} #* The part on either side of a horse's hoof between the toe and heel, the side of its coffin. The aftmost part of a vessel's side, roughly from the last mast to the stern.

Quarter as a verb (transitive):

To divide into quarters; to divide by four.

Quarter as a verb (transitive):

To provide housing for military personnel or other equipment.

Quarter as a verb (intransitive):

To lodge; to have a temporary residence.

Quarter as a verb (transitive):

To quartersaw.

Quarter as a verb (obsolete):

To drive a carriage so as to prevent the wheels from going into the ruts, or so that a rut shall be between the wheels.