Uncinus

·noun One of the peculiar minute chitinous hooks found in large numbers in the tori of tubicolous annelids belonging to the Uncinata.

uncinus
uncīnus, i, m. [1. uncus], a hook , barb (late Lat. for 1. uncus), Ap. Met. 3, 15, 4; Pall. Mar...

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.