plural of opera house

A method of aiming an artillery piece with the target in sight (direct fire), as opposed to indirect fire where the target is not visible.

(idiomatic, humorous, in hypothetical constructs) Any kind of event or activity that may contribute to one's self-promotion or visibility in society.

A multi-venue performing arts centre in Sydney, New South Wales, Australia.

A covert operation typically involving activities that are highly clandestine and outside of standard military protocol.

plural of black operation

(historical) A type of stocking having decorative gaps in the fabric.

A device for putting a hole in a pipe. / A device or mechanism for clearing obstructions in a pipe. / (sports) A practice event; a warm-up.

present participle of open fire

Alternative spelling of uncooperative