FLEXURAL
Flex"u*ral, a. Etym: [From Flexure.]

Defn: Of, pertaining to, or resulting from, flexure; of the nature of, or characterized by, flexure; as, flexural elasticity.

FLEXURE
Flex"ure, n. Etym: [L. flexura.]

1. The act of flexing or bending; a turning or curving; flexion; hence, obsequious bowing or bending. Will it give place to flexure and low bending Shak.

2. A turn; a bend; a fold; a curve. Varying with the flexures of the valley through which it meandered. British Quart. Rev.

3. (Zoöl.)

Defn: The last joint, or bend, of the wing of a bird.

4. (Astron.)

Defn: The small distortion of an astronomical instrument caused by the weight of its parts; the amount to be added or substracted from the observed readings of the instrument to correct them for this distortion. The flexure of a curve (Math.), the bending of a curve towards or from a straight line.

FLIBBERGIB
Flib"ber*gib, n.