Breadcrumb Home > Thesaurus > N Synonyms of notochord Find synonyms for: Noun 1. notochord, spinal column, vertebral column, spine, backbone, back, rachis usage: a flexible rodlike structure that forms the supporting axis of the body in the lowest chordates and lowest vertebrates and in embryos of higher vertebrates WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of notochord (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: jingoism Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language