SPLIT

noun

1. A crack or longitudinal fissure.
2. A breach or separation, as in a political party; a division.
3. A piece that is split off, or made thin, by splitting; a splinter; a fragment.

verb

1. Of something solid, to divide fully or partly along a more or less straight line.
2. Of something solid, particularly wood, to break along the grain fully or partly along a more or less straight line.
3. To share; to divide.

adjective

1. Divided.
2. (of a short exact sequence) Having the middle group equal to the direct product of the others.
3. (of coffee) Comprising half decaffeinated and half caffeinated espresso.