\Hal"ve\, n.
A half. [Obs.] --Chaucer.

\Halve\, v. t. [imp. & p. p. {Halved}; p. pr. & vb. n.
{Halving}.] [From {Half}.]
1. To divide into two equal parts; as, to halve an apple; to
   be or form half of.
         So far apart their lives are thrown From the twin
         soul that halves their own.           --M. Arnold.
2. (Arch.) To join, as two pieces of timber, by cutting away
   each for half its thickness at the joining place, and
   fitting together.

\Halve\, v. t.
Of a hole, match, etc., to reach or play in the same number
of strokes as an opponent.