the world > animals > invertebrates > subkingdom Metazoa > grade Diploblastica > phylum Coelenterata > [noun] > member of > zooid (7)
= polypus-fish n. at polypus, n. compounds 2.
Originally Zoology. = polyp, n. 2b. Now chiefly literary.
In a bryozoan: the part of a zooid that comprises the introvert, lophophore, and movable contents (digestive system, muscles, etc.). Cf. cystid, n. 2.
Zoology. An individual organism of a colonial cnidarian; a polyp. Now rare.