(chiefly Britain, New England, New Zealand and Australia, archaic elsewhere) An apartment, usually on one level and usually consisting of more than one room.

(transitive, obsolete) To beat or strike; pound / (transitive) To dash or throw / (intransitive) To dash, rush

(music) A tone one semitone below A, between G and A, denoted A♭. / (music) A key or other mechanism for producing an A-flat. / (music) The key of A-flat major.

(Australia, New Zealand) The practice of living, with others, in a flat. / (countable) A type of paint that dries with a flat (matt) finish; a coating of such paint.

present participle of flat

The state of being flat / The state of being two-dimensional; planar : planarity / The state of being bland : dullness

simple past tense and past participle of flat

plural of flatting

Alternative spelling of A-flat

plural of flatness