Pēn'a-lū'liā, n.
n. (Zoöl.) One of the family of polyps which do not adhere to the earth, but are simply sunk in the sand by one of the extremities of the body. Edwards.
n. (Zoöl.) One of the family of polyps which do not adhere to the earth, but are simply sunk in the sand by one of the extremities of the body. Edwards.