Sharp, v. t. [imp. & p. p. Sharped (?); p. pr. & vb. n. Sharping.] 1.
To sharpen. [Obs.] Spenser.
2. (Mus.) To raise above the proper pitch; to elevate the tone of;
especially, to raise a half step, or semitone, above the natural tone.
Sharp, v. i. 1. To play tricks in bargaining; to act the sharper.
L'Estrange.