1.one of two equal parts of a divisible whole;
half a loaf
2.in various games or performances: either of two periods of play separated by an interval
3.consisting of one of two equivalent parts in value or quantity;
a half chicken
4.partial;
gave me a half smile
5.(of siblings) related through one parent only;
a half brother
6.partially or to the extent of a half;
he was half hidden by the bushes