halve

These show that since 1946 the fatality rate in train and movement accidents combined has been halved, ….

So far apart their lives are thrown / From the twin soul that halves their own.

I, of course, had no difficulty in doing likewise, and we halved the hole; but the awkward fact remained that I must now gain every hole to win the match, for my opponent's score was "nine up," and there only remained ten holes to play.