/ Thesaurus / P Synonyms of prolate cycloid Find synonyms for: Noun1. prolate cycloid, cycloidusage: a cycloid generated by a point outside the rolling circleWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language