Pluck  —v. 1 pick or pull out or away. 2 strip (a bird) of feathers. 3 pull at, twitch. 4 (foll. By at) tug or snatch at. 5 sound (the string of a musical instrument) with a finger or plectrum. 6 plunder. —n. 1 courage, spirit. 2 plucking; twitch. 3 animal's heart, liver, and lungs as food.  pluck up summon up (one's courage etc.). [old english]