split

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.

Of something solid, to divide fully or partly along a more or less straight line.

"He has split his lip."

Similar: cleave

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."

Divided.

"Republicans appear split on the centerpiece of Mr. Obama's economic recovery plan."

(of a short exact sequence) Having the middle group equal to the direct product of the others.

(of coffee) Comprising half decaffeinated and half caffeinated espresso.