deuterostome

noun

deu·​tero·​stome ˈdü-tə-rō-ˌstōm 

also ˈdyü-

: any of a major division (Deuterostomia) of the animal kingdom that includes the bilaterally symmetrical animals (such as the chordates) with indeterminate cleavage and a mouth that does not arise from the blastopore

Examples of deuterostome in a Sentence

Recent Examples on the Web

The team classifies Saccorhytus as a deuterostome, one of the major groups of animals and the branch of the Tree of Life that includes vertebrates. — Gemma Tarlach, Discover Magazine, 30 Jan. 2017

Word History

Etymology

New Latin Deuterostomia, group name, from deuter- + Greek stoma mouth — more at stomach entry 1

First Known Use

1950, in the meaning defined above

Rhymes for deuterostome

• nucleosome
• trypanosome
• acrosome
• aerodrome
• catacomb
• centrosome
• chromosome
• cytochrome
• hippodrome
• honeycomb
• liposome
• meerschaum