Calicle
Calicle , noun
[Latin caliculus a small cup, dim. of calicis, a cup. Cf Calycle.]
(a)
(Zoology) One of the small cuplike cavities, often with elevated borders, covering the surface of most corals. Each is formed by a polyp. (b) One of the cuplike structures inclosing the zooids of certain hydroids. See Campanularian.