/ Dictionary / Index P plumbago: Meaning and Definition of Find definitions for: plum•ba•go Pronunciation: (plum-bā'gō), [key] — pl. -gos. graphite. a drawing made by an instrument with a lead point. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: plumbago (Thesaurus) plumbaginous plumb bob Related Content Daily Word Quiz: miscreant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language