/ Dictionary / Index L lacteous: Meaning and Definition of Find definitions for: lac•te•ous Pronunciation: (lak'tē-us), [key] — adj. Archaic. milky; of the color of milk. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. lacteal lactescent Related Content Daily Word Quiz: slough Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language