D defs.my
Entry 1 sense Webster, 1913

Uncinus

· Un·ci·nus · IPA /ʌnˈsaɪ.nəs/
01 n. One of the peculiar minute chitinous hooks found in large numbers in the tori of tubicolous annelids belonging to the Uncinata.
pl. Uncini ((#))
  1. 1.
    One of the peculiar minute chitinous hooks found in large numbers in the tori of tubicolous annelids belonging to the Uncinata.(Zool.)