One of the little cuplike cavities, frequently with increased borders, covering the surface on most corals. Each is made by a polyp. (b) One of the cuplike frameworks inclosing the zooids of specific hydroids. See campanularian.
In zoology, identical to calycle, 2.
any cup-shaped despair
the little cuplike cavities, frequently with elevated borders, within the area of most corals. Each is formed by a polyp. (b) one of many cuplike structures inclosing the zooids of particular hydroids. See campanularian.