zoariumhttp://www.oed.com/dictionary/zoarium_n%3Ftab%3Dmeaning_and_usezoarium, n.
First published 1921; not fully revised

zoariumnoun

Zoology.
  1. 1880–
    The common supporting structure of a colony of polyps, or the colony or compound organism as a whole (esp. in the Polyzoa or moss-animalcules): = polyzoary n.
    1. 1880–1
      The zoarium of the polyzoic genera Aulopora or Hippothoa.
      W. Saville-Kent, Manual of Infusoria vol. I. 338

zoarium, n. was first published in 1921; not fully revised.

zoarium, n. was last modified in December 2024.