Uncinus
Pronunciation : Un*ci"nus
Part of Speech : n.;
Etymology : [L., a hook.] (Zo?l.)
Definition : Defn: One of the peculiar minute chitinous hooks found in large numbers in the tori of tubicolous annelids belonging to the Uncinata.
pl. Uncini.
Source : Webster's Unabridged Dictionary, 1913