1. a large class of sedentary marine coelenterates that includes sea anemones and corals; the medusoid phase is entirely suppressed; [syn: Anthozoa, class Anthozoa, Actinozoa, class Actinozoa]
WordNet (r) 3.0 (2006):
class Actinozoa
n 1: a large class of sedentary marine coelenterates that
includes sea anemones and corals; the medusoid phase is
entirely suppressed [syn: Anthozoa, class Anthozoa,
Actinozoa, class Actinozoa]