Definitions
1.verbTo reduce to half the original amount.
2.verbTo divide into two halves.
3.verbTo make up half of.
4.verbTo join two pieces of timber etc. by cutting away each for half its thickness at the joining place, and fitting together.
5.verbIn match play, to achieve a tie or draw on."to halve a hole or a match"
6.adjectiveDivided into halves.
7.adjectiveAppearing as if one side were cut away.