/ Dictionary / Index L leucotomy: Meaning and Definition of Find definitions for: leu•cot•o•my Pronunciation: (l-kot'u-mē), [key] — pl. -mies. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: leucotomy (Thesaurus) leucotome Leuctra Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language