halving

To reduce to half the original amount.

To divide into two halves.

To make up half of.

To join two pieces of timber etc. by cutting away each for half its thickness at the joining place, and fitting together.

In match play, to achieve a tie or draw on.

“to halve a hole or a match”

The process or instance of dividing in half.

“There are several recursion theorems for large sets, such that a single new halving results in several new infinite families of halvings.”