n. A long wooden implement used for propelling a boat, barge, or galley.n. In brewing, a blade or paddle with which the mash is stirred.n. In zoöl., an oar-like appendage of an animal used for swimming, as the leg or antenna of an insect or crustacean, one of the parapodia of annelids, etc.n. One who uses an oar; an oarsman; also, a waterman.To use an oar or oars; row.To propel by or as by rowing.To traverse by or as by means of oars.To move or use as an oar.n. An obsolete spelling of ore.