Radiata

[reidieitә]

Definition

(n. pl.) An extensive artificial group of invertebrates, having all the parts arranged radially around the vertical axis of the body, and the various organs repeated symmetrically in each ray or spheromere.

Checker: Sabina

Synonyms and Synonymous

n. pl. (Zoöl.) Radiate animals, rayed animals.

Typist: Zamenhof

Definition

n.pl. the lowest of Cuvier's four great divisions of the animal kingdom—the organs of sense and motion disposed as rays round a centre.

Checked by Hayes