(bingo) A traditional call for the number one.

A bright green colour.

A pocket billiards game using numbered markers, called peas or pills, and a standard set of sixteen pool balls. Players draw peas at random from a shake bottle, which assigns to them the correspondingly numbered pool ball, kept secret from their opponents, but which they must pocket in order to win the game.

plural of Ned Kelly beard

(Australia) Brave, daring, full of pluck, willing.

(Australia) A large, full beard, as worn by the bushranger Ned Kelly (1854-1880).

(zoology) A vireo (Vireo altiloquus) native to the West Indies and Florida.

(biology) A hypothesis according to which the volumes of brain, cerebrospinal fluid and intracerebral blood add up to a constant sum, so that any change in one is reflected in the others.

(Australia, simile, informal) Extremely game or courageous.

Plummer-Vinson syndrome