The difference between Grass and Spring

Grass as a noun (countable, uncountable):

Any plant of the family Poaceae, characterized by leaves that arise from nodes in the stem and leaf bases that wrap around the stem, especially those grown as ground cover rather than for grain.

Grass as a noun (countable):

Various plants not in family Poaceae that resemble grasses.

Grass as a noun (uncountable):

A lawn.

Grass as a noun (uncountable, slang):

Marijuana.

Grass as a noun (countable, Britain, slang):

An informer, police informer; one who betrays a group (of criminals, etc) to the authorities.

Grass as a noun (uncountable, physics):

Sharp, closely spaced discontinuities in the trace of a cathode-ray tube, produced by random interference.

Grass as a noun (uncountable, slang):

Noise on an A-scope or similar type of radar display.

Grass as a noun:

The season of fresh grass; spring.

Grass as a noun (obsolete, figurative):

That which is transitory.

Grass as a noun (countable, folk etymology):

Asparagus.

Grass as a verb (transitive):

To lay out on the grass; to knock down (an opponent etc.).

Grass as a verb (transitive, or, intransitive, slang):

To act as a grass or informer, to betray; to report on (criminals etc) to the authorities.

Grass as a verb (transitive):

To cover with grass or with turf.

Grass as a verb (transitive):

To expose, as flax, on the grass for bleaching, etc.

Grass as a verb (transitive):

To bring to the grass or ground; to land.

Spring as a verb:

To jump or leap.

Spring as a verb:

To pass over by leaping.

Spring as a verb:

To produce or disclose unexpectedly, especially of surprises, traps, etc.

Spring as a verb (slang):

To release or set free, especially from prison.

Spring as a verb (Australia, slang):

To suddenly catch someone doing something illegal or against the rules.

Spring as a verb:

To come into being, often quickly or sharply.

Spring as a verb:

To start or rise suddenly, as from a covert.

Spring as a verb:

To cause to spring up; to start or rouse, as game; to cause to rise from the earth, or from a covert.

Spring as a verb (nautical):

To crack or split; to bend or strain so as to weaken.

Spring as a verb:

To bend by force, as something stiff or strong; to force or put by bending, as a beam into its sockets, and allowing it to straighten when in place; often with in, out, etc.

Spring as a verb:

To issue with speed and violence; to move with activity; to dart; to shoot.

Spring as a verb:

To move suddenly when pressure is released.

Spring as a verb (intransitive):

To bend from a straight direction or plane surface; to become warped.

Spring as a verb:

To shoot up, out, or forth; to come to the light; to begin to appear; to emerge, like a plant from its seed, a stream from its source, etc.; often followed by up, forth, or out.

Spring as a verb:

To issue or proceed, as from a parent or ancestor; to result, as from a cause, motive, reason, or principle.

Spring as a verb (obsolete):

To grow; to prosper.

Spring as a verb (architecture, masonry, transitive):

To build (an arch).

Spring as a verb (transitive, archaic):

To sound (a rattle, such as a watchman's rattle).

Spring as a noun:

A leap; a bound; a jump.

Spring as a noun (countable):

Traditionally the first of the four seasons of the year in temperate regions, in which plants spring from the ground and trees come into blossom, following winter and preceding summer.

Spring as a noun (countable):

Meteorologically, the months of March, April and May in the northern hemisphere or September, October and November in the southern.

Spring as a noun (countable):

The astronomically delineated period from the moment of vernal equinox, approximately March 21 in the northern hemisphere to the moment of the summer solstice, approximately June 21. (See for other variations.)

Spring as a noun (countable):

Spring tide; a tide of greater-than-average range, that is, around the first or third quarter of a lunar month, or around the times of the new or full moon.

Spring as a noun (countable):

A place where water or oil emerges from the ground.

Spring as a noun (uncountable):

The property of a body of springing to its original form after being compressed, stretched, etc.

Spring as a noun:

Elastic power or force.

Spring as a noun (countable):

A mechanical device made of flexible or coiled material that exerts force when it is bent, compressed or stretched.

Spring as a noun (countable, slang):

An erection of the penis.

Spring as a noun (countable):

The source of an action or of a supply.

Spring as a noun:

Any active power; that by which action, or motion, is produced or propagated; cause; origin; motive.

Spring as a noun:

That which springs, or is originated, from a source. A race; lineage. A youth; a springald. A shoot; a plant; a young tree; also, a grove of trees; woodland.

Spring as a noun (obsolete):

That which causes one to spring; specifically, a lively tune.

Spring as a noun:

The time of growth and progress; early portion; first stage.

Spring as a noun (countable, nautical):

A rope attaching the bow of a vessel to the stern-side of the jetty, or vice versa, to stop the vessel from surging.

Spring as a noun (nautical):

A line led from a vessel's quarter to her cable so that by tightening or slacking it she can be made to lie in any desired position; a line led diagonally from the bow or stern of a vessel to some point upon the wharf to which she is moored.

Spring as a noun (nautical):

A crack or fissure in a mast or yard, running obliquely or transversely.