/ Dictionary / Index C complementary cells: Meaning and Definition of Find definitions for: complemen'tary cells" Pronunciation: [key] — Bot. Bot. cells fitting closely together in the lenticel. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. complementary base complementary color Related Content Daily Word Quiz: wary Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language