Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

cercus

play
noun, cer·cus \ˈsər-kəs\

Definition of cercus

plural cerci play \ˈsər-ˌsī, -ˌkī\

  1. :  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


Medical Dictionary

cercus

play
noun cer·cus \ˈsər-kəs\

Medical Definition of cercus

plural cerci \ˈsər-ˌsī, -ˌkī\play

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




Learn More about cercus

  1. Medical Dictionary: Definition of "cercus" Britannica.com: Encyclopedia article about "cercus"


Seen and Heard

What made you want to look up cercus? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

tending to dismiss important matters

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

alt-5746713d76276

Which of these is a synonym of nonplus?

disapprove reduce perplex soothe
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ