= grand piano n.

a piano of a rectangular form, now superseded by the upright or cottage piano.

a large, full-toned piano which has the body, strings, and soundboard arranged horizontally and in line with the keys.

= cottage piano n.

a small upright piano.

= square piano n. at square, adj. compounds 3a.

= table piano n.

Extended and allusive uses. A piano of poor quality. Now rare.

A grand piano.

= piccolo piano n. at sense B. Obsolete.

A piano made by John Broadwood or by the London firm founded by him. Also attributive.

a modified form of the grand piano.

An upright piano, esp. a small upright or cottage piano.

= cottage piano n. at compounds 4. Obsolete.

An upright pianoforte (see pianoforte, n.1).

A type of small upright piano.

A small portable keyboard which produces no sound when played, and which players of keyboard instruments use for practice and esp. to exercise…

Used attributively or absol. to designate a piano manufactured by Steinway or by the firm which he founded in New York in 1853.

the smallest size of grand piano; also more fully baby grand piano (cf. grand piano n. at grand, adj. n.adv. compounds 2).

Elliptical uses of the adjective: a square meal (originally and chiefly U.S.); a square piano; a square dance; a square drink, etc.

A cheap, ‘tinny’ piano. Cf. tin-panny adj. at derivatives. U.S. slang.

(a) an out-of-tune or tinny-sounding piano; (b) a style of ragtime piano music (cf. sense A. 2a).

A small piano; spec. one built in art deco style by the Brasted company, originally in the 1930s.

U.S. In full spinet piano. A type of small piano.

a piano whose strings have been modified by having objects placed on or between them, or by retuning; the instrument was devised by John Cage…

The action or an instance of rebuilding a keyboard instrument so as to modify and extend its range; an instrument modified in this way.

A piano that plays rinky-tink music, esp. one that has been adapted to produce a tinkling, jangling sound. rare.

A small piano.

a fortepiano.