The Collaborative International Dictionary of English v.0.48:
airplane propeller \airplane propeller\ n. a propeller designed for propelling airplanes. Syn: airscrew, propeller, prop. [WordNet 1.5 +PJC]WordNet (r) 3.0 (2006):
airplane propeller n 1: a propeller that rotates to push against air [syn: airplane propeller, airscrew, prop]