ɔ: n. 1 a polewith a blade used for rowing or steering a boat by leverageagainstthewater. 2 a rower. øput one's oar in interfere, meddle. rest (US lay) on one's oars relax one's efforts. øøoared adj. (also in comb.). oarless adj. [OE ar f. Gmc, perh. rel. to Gk eretmos oar]