| Oxbow (n.) A frame of wood, bent into the shape of the letter U, and embracing an ox's neck as a kind of collar, the upper ends passing through the bar of the yoke; also, anything so shaped, as a bend in a river. Thesaurus Entries arciform, arclike, arcual, bandy, bent, bowed, bowlike, concave, convex, convexed, curvilinear, embowed, excurvate, excurvated, excurved, gibbose, gibbous, humpbacked, humped, humpy, hunched, hunchy, out-bowed, oxbow, rotund, round, rounded, vaulted |