Definition

noun

A crack or longitudinal fissure.
A breach or separation, as in a political party; a division.
A piece that is split off, or made thin, by splitting; a splinter; a fragment.
(leather manufacture) One of the sections of a skin made by dividing it into two or more thicknesses.
(cheerleading, usually in the phrase "to do the splits") A maneuver of spreading or sliding the feet apart until the legs are flat on the floor 180 degrees apart, either sideways to the body or with one leg in front and one behind, thus lowering the body completely to the floor in an upright position.

verb

Of something solid, to divide fully or partly along a more or less straight line.
“He has split his lip.”
Of something solid, particularly wood, to break along the grain fully or partly along a more or less straight line.
To share; to divide.
“We split the money among three people.”
To leave.
“Let's split this scene and see if we can find a real party.”
(of a couple) To separate.
“Did you hear Dick and Jane split? They'll probably get a divorce.”