(US, military, slang) A second lieutenant.

(bridge) Designating a category of contract bridge conventional agreements that are difficult to defend against, and thus only permitted at high levels of tournament play.

plural of brown kingfisher

(obsolete) Synonym of laughing kookaburra

(sexology, slang) The act of a person defecating on another, usually for sexual stimulation of one or both persons.

plural of brown hawk

Synonym of brown falcon (“Falco berigora”)

plural of brown holland

unbleached holland linen

A species of honeyeater, Lichmera indistincta, of New Guinea and Australia.