(Australia, historical, slang) An Australian soldier serving in World War I, especially a volunteer.

(mineralogy) A complex black or dark-coloured borosilicate mineral, compounded with various chemical elements and considered a semi-precious stone. / A transparent gemstone cut from it.

(medicine) A tightly-compressed bandage used to stop bleeding by stopping the flow of blood through a large artery in a limb. / Any of several similar methods of clamping components into position.

A rotating frame, containing the escapement of a clock or watch, that attempts to compensate for the effects of gravity. / A whirlwind. / A kind of firework that gyrates in the air.

(Australia, UK) An assisted immigrant to Australia from Britain, from the years following World War II.

Travel to another country for the purpose of sexual intercourse with prostitutes or for the purpose of engaging in sex acts which are prohibited in one's home jurisdiction.

(sports) A tournament where the loser of a game or match is eliminated from further competition.

(neurology) a neurological disorder characterized by the presence of physical and vocal tics.

Tournament.

(archaic) To take part in a tournament.