A female sibling sharing a single parent.

A male sibling sharing a single parent, as distinguished from a full brother or brother-german, from a step-brother, or from a brother-like figure such as a blood brother.

A unit of volume used for liquids equal to half of a pint. / Half a pint of beer or other drink. / (colloquial) A small or short person. / (colloquial) A small child.

(transitive, Cockney rhyming slang) To pinch, to steal.

(idiomatic) A spouse.

A deceptive statement, especially one that is only partly true, is incomplete, misrepresents reality by telling part of the truth, or alters the time sequence of truths.

which lasts half an hour, or approximately so.

(physics) The time required for half the nuclei in a sample of a specific isotope to undergo radioactive decay.

A person's spouse or lover, most commonly a man's wife. / (archaic) A very close friend or companion.

(sports) A stroke, in ball sports, in which the ball is hit immediately after it bounces off the ground / (cricket) A delivery that bounces just short of the blockhole