SHARPS

noun

1. The symbol ♯, placed after the name of a note in the key signature or before a note on the staff to indicate that the note is to be played a semitone higher.
2. A note that is played a semitone higher than usual; denoted by the name of the note that is followed by the symbol ♯.
3. A note that is sharp in a particular key.

verb

1. To raise the pitch of a note half a step making a natural note a sharp.
2. To play tricks in bargaining; to act the sharper.
3. To sharpen.