/ Dictionary / Index G Galen: Meaning and Definition of Find definitions for: Ga•len Pronunciation: (gā'lun), [key] Latin,a.d. c130–c200, Greek physician and writer on medicine. any physician. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: galen (Thesaurus) galeiform galena Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language