v. 1 tr. & intr. bend (a joint, limb, etc.) or be bent. 2 tr. & intr. move (a muscle) or (of a muscle) be moved to bend a joint. 3 tr. Geol. bend (strata). 4 tr. Archaeol. place (a corpse) with the legs drawn up under the chin.
[ L flectere flex- bend ]