3. (Gram.) Syntactical change of form of words, as by declension or
conjugation; inflection.
Express the syntactical relations by flexion.
Sir W. Hamilton.
4. (Physiol.) The bending of a limb or joint; that motion of a joint
which gives the distal member a continually decreasing angle with the
axis of the proximal part; -- distinguished from extension.
Flex"or (?), n. [NL.] (Anat.) A muscle which bends or flexes any part;
as, the flexors of the arm or the hand; -- opposed to extensor.
Flex"u*ose` (?; 135), a. Flexuous.
Flex"u*ous (?), a. [L. flexuosus, fr. flexus a bending, turning.] 1.
Having turns, windings, or flexures.
2. (Bot.) Having alternate curvatures in opposite directions; bent in a
zigzag manner.