/ Dictionary / Index A applanate: Meaning and Definition of Find definitions for: ap•pla•nate Pronunciation: (ap'lu-nāt", a-plā'nāt), [key] — adj. Biol. having a horizontally flattened form. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. appl. applaud Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language