noun a half.
2. halve ·vt to divide into two equal parts; as, to halve an apple; to be or form half of.
3. halve ·vt to join, as two pieces of timber, by cutting away each for half its thickness at the joining place, and fitting together.
4. halve ·add. ·vt of a hole, match, ·etc., to reach or play in the same number of strokes as an opponent.