"Cnidaria" is a word in ENGLISH

A group of Coelenterata, including the Medusae or jellyfishes, and hydroids; -- so called from the stinging power they possess. …

One of the radial segments composing the body of one of the Coelenterata.

A group of Coelenterata, comprising the Anthozoa and Ctenophora. The sea anemone, or actinia, is a familiar example.

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

One of the peculiar stinging, cells found in Coelenterata; a nematocyst; a lasso cell.

One of the cells which, in the Coelenterata, develop into cnidae.

Alt. of Coelenterata

A comprehensive group of Invertebrata, mostly marine, comprising the Anthozoa, Hydrozoa, and Ctenophora. The name implies that the stomach and …

A class of Coelenterata, commonly ellipsoidal in shape, swimming by means of eight longitudinal rows of paddles. The separate paddles …

Same as Coelenterata.