Any hybrid of a human and some other creature.

Only partly human.

plural of half-angel

(fantasy) A male hybrid of magical and non-magical parents.

plural of half-wizard

plural of half-human

A school day when the students are released early. / A work day when business closes early, or where a worker leaves early.

plural of half-op

(Internet) An IRC channel operator with limited privileges, unable for example to promote other users to operator status.

(US, numismatics, historical) A gold coin with a face value of five dollars, formerly used in the United States, one-half the value of the US eagle coin.