ANTHOZOA

Anthozoa, class Anthozoa, Actinozoa, class Actinozoa

(noun) a large class of sedentary marine coelenterates that includes sea anemones and corals; the medusoid phase is entirely suppressed

ANTHOZOAN

anthozoan, actinozoan

(noun) sessile marine coelenterates including solitary and colonial polyps; the medusoid phase is entirely suppressed

Source: WordNet® 3.1

An`tho*zo"a, n. pl. Etym: [NL., fr. Gr. (Zoöl.)

Definition: The class of the Coelenterata which includes the corals and sea anemones. The three principal groups or orders are Acyonaria, Actinaria, and Madreporaria.

Source: Webster’s Unabridged Dictionary 1913 Edition