zoarium

zo·ar·i·um

Z0020950 (zō-âr′ē-əm)n. pl. zo·ar·i·ums also zo·ar·i·a (-ē-ə) The aggregate of zooids that make up a colonial organism such as a bryozoan.
zo·ar′i·al (-ē-əl) adj.

zoarium

(ˌzəʊˈɛərɪəm) n (Zoology) a colony of zooids