/ Dictionary / Index P penicillate: Meaning and Definition of Find definitions for: pen•i•cil•late Pronunciation: (pen"u-sil'it, -āt), [key] — adj. having a penicil or penicils. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. penicillamine penicillin Related Content Daily Word Quiz: feline Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language