/ Dictionary / Index F freemartin: Meaning and Definition of Find definitions for: free•mar•tin Pronunciation: (frē'mär"tn), [key] — n. a female calf that is born as a twin with a male and is sterile as a result of exposure to masculinizing hormones produced by the male. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. freeman Freemason Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language