zoarium

American  

[zoh-air-ee-uhm] / zoʊˈɛər i əm /

noun

Biology.

plural

zoaria, zoariums

1. a collection of distinct, individual zooids that make up a compound or colonial organism.

2. the supporting structure for a polyp colony; polyzoarium.

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Other Word Forms

• zoarial adjective

Etymology

Origin of zoarium

First recorded in 1880–85; zo- ( def. ) + -arium ( def. )

Example Sentences

The growth of the zoarium is much more luxuriant, and the form of the resting buds is different.

From Freshwater Sponges, Hydroids & Polyzoa by Annandale, Nelson

The zoarium as a whole has a faint yellowish tinge.

From Freshwater Sponges, Hydroids & Polyzoa by Annandale, Nelson

A tangled mass may thus be formed in which it is difficult to recognize the regular arrangement of the zoœcia that can be readily detached at the growing points of the zoarium.

From Freshwater Sponges, Hydroids & Polyzoa by Annandale, Nelson

The arrangement of the polypides in the zoarium and the general structure of the statoblasts are very similar in the two species.

From Freshwater Sponges, Hydroids & Polyzoa by Annandale, Nelson

B=outline of part of a zoarium of the typical form of the species from the United Provinces, showing variation in the form of the zoœcia and of the orifice, � 15.

From Freshwater Sponges, Hydroids & Polyzoa by Annandale, Nelson