/ Dictionary / Index L lanugo: Meaning and Definition of Find definitions for: la•nu•go Pronunciation: (lu-n'gō, -ny'-), [key] — pl. -gos. a coat of delicate, downy hairs, esp. that with which the human fetus or a newborn infant is covered. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: lanugo (Thesaurus) lanuginose lanyard 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