n.
Pronunciation: ' s ə r-k ə s
Function: noun
Inflected Form: plural cer · ci \ ' s ə r- ˌ s ī , - ˌ k ī \
Etymology: New Latin, from Greek kerkos
Date: 1826
: either of a pair of simple or segmented appendages at the posterior end of various arthropods that usually act as sensory organs