/ Dictionary / Index R ranula: Meaning and Definition of Find definitions for: ran•u•la Pronunciation: (ran'yu-lu), [key] — n. Pathol. a cystic tumor formed beneath the tongue, caused by obstruction of the sublingual or submaxillary gland or of a mucous gland. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: ranula (Thesaurus) Rantoul ranunculaceous Related Content Daily Word Quiz: censure Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language