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