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. [ 1913 Webster ]

So far apart their lives are thrown
From the twin soul that halves their own. M. Arnold. [ 1913 Webster ]

2. (Arch.) To join, as two pieces of timber, by cutting away each for half its thickness at the joining place, and fitting together. [ 1913 Webster ]

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

a. Appearing as if one side, or one half, were cut away; dimidiate. [ 1913 Webster ]