/ Dictionary / Index F flexion: Meaning and Definition of Find definitions for: flex•ion Pronunciation: (flek'shun), [key] — n. the act of bending a limb. the position that a limb assumes when it is bent. flection (defs. 1–3). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: flexion (Thesaurus) flexile Flexner Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language