WordNet sense 1 (an angular or rounded shape made by folding):

crease, crimp, flexure, fold, plication

WordNet sense 2 (a circular segment of a curve):

crook, turn, twist

WordNet sense 3 (movement that causes the formation of a curve):

bending

WordNet sense 4 (diagonal line traversing a shield from the upper right corner to the lower left):

bend dexter

WordNet sense 5 (curved segment (of a road or river or railroad track etc.)):

curve

WordNet sense 6 (bend one's back forward from the waist on down):

bow, crouch, stoop, bow

WordNet sense 7 (form a curve):

flex

WordNet sense 8 (turn from a straight course , fixed direction, or line of interest):

deflect, turn away

WordNet sense 9 (cause (a plastic object) to assume a crooked or angular form):

deform