Dictionary

cercus

noun cer·cus \ˈsər-kəs\
plural cer·ci \ˈsər-ˌsī, -ˌkī\

Definition of CERCUS

:  either of a pair of simple or segmented appendages at the posterior end of various arthropods that usually act as sensory organs

Origin of CERCUS

New Latin, from Greek kerkos
First Known Use: 1826

cercus

noun cer·cus \ˈsər-kəs\   (Medical Dictionary)
plural cer·ci \ˈsər-ˌsī, -ˌkī\

Medical Definition of CERCUS

:  either of a pair of simple or segmented appendages at the posterior end of various arthropods

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