- the safety covering of a gonangium
- A capsule created on particular hydroids (Thecaphora), inclosing the blastostyle where the medusoid buds or gonophores tend to be developed; -- labeled as also gonangium, and teleophore. See hydroidea, and Illust. of campanularian.
- The chitinous receptacle within that the gonophores of certain hydrozoans are manufactured: same as gonangium.