Out-of-tune piano Synonyms

OP abbreviation

OP is an abbreviation for Out-of-tune Piano
What does OP stand for?
OP stands for "Out-of-tune Piano"

Definitions for Piano


  • (noun) a keyboard instrument that is played by depressing keys that cause hammers to strike tuned strings and produce sounds
  • (noun) ( music ) low loudness
  • (adverb) used as a direction in music; to be played relatively softly