Breadcrumb Home > Dictionary > Index L leiomyoma: Meaning and Definition of Find definitions for: lei•o•my•o•ma Pronunciation: (lī"ō-mī-ō'mu), [key] — pl. -mas, -ma•ta a benign tumor composed of nonstriated muscular tissue. Cf. rhabdomyoma. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: leiomyoma (Thesaurus) Leinster leipoa ✖ Related Content Daily Word Quiz: hortatory Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language