cer·cus (sûr'kəs, kěr'-) n.
pl.cer·ci (sûr'sī, -kī, kěr'kē) Either of a pair of terminal, dorsolateral sensory appendages of certain insects, such as the female mosquito.
Main Entry: cer·cus Pronunciation: 's&r-k&s Function: noun Inflected Form: pluralcer·ci/'s&r-"sI, -"kI/ : either of a pair of simple or segmented appendages at the posterior end of various arthropods