/ Dictionary / Index F flexor: Meaning and Definition of Find definitions for: flex•or Pronunciation: (flek'sur), [key] — n. Anat. a muscle that serves to flex or bend a part of the body. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: flexor (Thesaurus) flexography flex point Related Content Daily Word Quiz: placid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language