Flex"ion (?), n. [L. flexio: cf. F. flexion.]

1.

The act of flexing or bending; a turning.

2.

A bending; a part bent; a fold.

Bacon.

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.

 

© Webster 1913.