Alternative form of freebase

Alternative form of basic form (“the uninflected form of a word used as a dictionary entry”)

Alternative form of prisoners' bars (“the game”)

plural of base form

(organic chemistry) diisopropylethylamine

The fans of a thing or person taken as a group.

(obsolete, 1800s) baseball

(baseball) To touch a base, usually with a foot but sometimes with a hand.

A parachute jump from a fixed point rather than from an aircraft; typically from a tall building, high bridge or rock formation.

(intransitive) To make such a jump.