un·​ci·​nus | \ ˌənˈsīnəs\
plural uncini\ -​īˌnī \

Definition of uncinus

: a small hooklike structure or process: such as
a : one of the minute chitinous hooks found in large numbers in the tori of some tubicolous annelids
b : one of the hooklike lateral teeth of the radula of a gastropod
c : a hooked cilium of various infusorians

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History and Etymology for uncinus

New Latin, from Latin, hook

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