2. (Mus.) (a) The character [#] used to indicate that the note before which it is placed is to be raised a half step, or semitone, in pitch. (b) A sharp tone or note. Shak.
3. A portion of a stream where the water runs very rapidly. [Prov. Eng.] C. Kingsley.
4. A sewing needle having a very slender point; a needle of the most pointed of the three grades, blunts, betweens, and sharps.
5. pl.
Defn: Same as Middlings, 1.
6. An expert. [Slang]
SHARP
Sharp, v. t. [imp. & p. p. Sharped; p. pr. & vb. n. Sharping.]
1. To sharpen. [Obs.] Spenser.
2. (Mus.)
Defn: To raise above the proper pitch; to elevate the tone of; especially, to raise a half step, or semitone, above the natural tone.