/ Dictionary / Index L lubricator: Meaning and Definition of Find definitions for: lu•bri•ca•tor Pronunciation: (l'bri-kā"tur), [key] — n. a person or thing that lubricates. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: lubricator (Thesaurus) lubricate lubricious Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language