1. [verb] (transitive) To reduce to half the original amount.
2. [verb] (transitive) To divide into two halves.
3. [verb] (transitive) To make up half of.
4. [verb] (architecture) (transitive) To join two pieces of timber etc. by cutting away each for half its thickness at the joining place, and fitting together.
5. [verb] (golf) (transitive) In match play, to achieve a tie or draw on.
6. [verb] Divide by two; divide into halves; 'Halve the cake'.
