Entry 1 sense Webster, 1913 Mower /(mō"ẽr)/ · Mow·er · IPA /ˈmoʊ.ɚ/ 01 n. One who, or that which, mows; a mowing machine; as, a lawn mower. 1. One who, or that which, mows; a mowing machine; as, a lawn mower.