/ Dictionary / Index S sebaceous gland: Meaning and Definition of Find definitions for: seba'ceous gland" Pronunciation: [key] any of the cutaneous glands that secrete oily matter for lubricating hair and skin. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sebaceous sebacic Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language