(grammar) A word doubly inflected for the plural grammatical number in relation to its singular form; e.g., medium → media → medias.

A type of dog, used for droving cattle

Obsolete form of upside down.

(idiomatic, slang, US) Of no value.

(US, chiefly in the negative) To have a personal stake in the issue.

(US) A hot dog with processed cheese spread on it.

(US politics) A member of the Blue Dog Coalition, founded in 1994, of conservative and moderate members of the Democratic Party.

(Britain, idiomatic, of a task) Completed thoroughly and satisfactorily.

plural of double star system

Used other than figuratively or idiomatically: see look, down. / (intransitive) To lower one's eyes; to direct one's look downwards.