/ Dictionary / Index P piano: Meaning and Definition of Find definitions for: pi•an•o Pronunciation: (pē-an'ō, pyan'ō), [key] — pl. -an•os. a musical instrument in which felt-covered hammers, operated from a keyboard, strike the metal strings. Cf. pi•a•no Pronunciation: (pē-ä'nōIt.pyä'nô), [key] — Music. Music. —adj. soft; subdued. —adv. softly. Abbr.: p, p. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: piano (Thesaurus) pianistic piano accordion Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language