/ Thesaurus / A Synonyms of apical placentation Find synonyms for: Noun1. apical placentation, placentationusage: where one or few ovules develop at the top of a simple or compound ovaryWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: denizen Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language