What's the difference between calicle and caulicle?
Calicle
Definition:
(n.) 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.
Example Sentences:
Caulicle
Definition:
(n.) A short caulis or stem, esp. the rudimentary stem seen in the embryo of seed; -- otherwise called a radicle.