·noun Any one of numerous species of club-shaped, compound Alcyonaria belonging to Veretillum and allied genera, of the tribe Pennatulacea. The whole colony can move about as if it were a simple animal.
vĕrētillum, i, n. dim. [veretrum], = parvum veretrum, Ap. Mag. p. 296, 28. ...
A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.