(law, criminology) A crime, typically a violent crime such as assault or murder, committed against a loved one because of sudden jealous rage or heartbreak rather than as a premeditated act.

(baseball) Catcher's equipment

(sociology) The family in which an individual grows up.

(South Africa) The pintailed whydah, Vidua macroura.

(slang) Alternative form of whale on

(idiomatic) The two alternatives are equivalent or indifferent; it doesn't matter which one we choose. / (idiomatic, of two people) Equally involved; equally responsible

(transitive, idiomatic) To know (something or someone) very thoroughly.

(military) Petroleum based oil specially blended to produce a dense, efficient, screening smoke when vaporized and recondensed at atmospheric temperatures. Officially, fog oil is standard grade fuel number 2 (SGF2).

(idiomatic) To quit or cease completely, or to promise to quit, as a bad habit.

(vulgar, idiomatic) Synonym of crap one's pants