cercus

noun
cer·​cus | \ˈsər-kəs \
plural cerci\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

First Known Use of cercus

1826, in the meaning defined above

History and Etymology for cercus

New Latin, from Greek kerkos

Keep scrolling for more

Learn More about cercus

Statistics for cercus

Look-up Popularity

Time Traveler for cercus

The first known use of cercus was in 1826

See more words from the same year

Keep scrolling for more

More Definitions for cercus

cercus

noun
cer·​cus | \ˈsər-kəs \
plural cerci\ˈsər-​ˌsī, -​ˌkī \

Medical Definition of cercus 

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

More from Merriam-Webster on cercus

Britannica.com: Encyclopedia article about cercus

Comments on cercus

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

a typical or ideal example

Get Word of the Day daily email!

Test Your Vocabulary

Find the Cousins

  • a-large-tree-with-many-branches
  • Which pair shares a common word ancestor?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Word Winder's CrossWinder

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

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!