Breadcrumb Home > Thesaurus > O Synonyms of ootid Find synonyms for: Noun 1. ootid, ovum, egg cell usage: mature ovum after penetration by sperm but before the formation of a zygote WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of ootid (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: irascible Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language