non-U
(UK dialectal) Steeply.
(chess) A variant of the Reti Opening in which white moves its queen's rook pawn to a4 on the third move (1. Nf3 d5 2. a4).
(zoology) In the middle of the rostrum (beak) / (zoology) Having a medium-sized beak or bill
(chiefly Britain, colloquial, dated) Not U; not characteristic of the upper classes, particularly regarding language.
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