Entry 2 senses Webster, 1913 Plucker · Pluck·er · IPA /ˈplʌkə(ɹ)/ 01 n. One who, or that which, plucks. 1. One who, or that which, plucks. “Thou setter up and plucker down of kings.” — Shak. 2. A machine for straightening and cleaning wool.