Breadcrumb Home > Thesaurus > T Synonyms of trilobite Find synonyms for: Noun 1. trilobite, arthropod usage: an extinct arthropod that was abundant in Paleozoic times; had an exoskeleton divided into three parts WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of trilobite (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: persiflage Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language