Share this entry

Share this page

chelicera

Syllabification: che·lic·er·a
Pronunciation: /kəˈlisərə
 
/

Definition of chelicera in English:

noun (plural chelicerae /-ˈlisəˌrē/)

Zoology
Either of a pair of appendages in front of the mouth in arachnids and some other arthropods, usually modified as pincerlike claws. Compare with chela1.
Example sentences
  • The front pair of appendages, the chelicerae, are the ones which contain the poison glands.
  • The chelicerae (first appendages) may be clawed mouthparts or may be modified for piercing, as in ticks.
  • The legs, pedipalps and chelicerae are pulled free from the skin with rhythmic movements until finally the spider pulls free.

Origin

mid 19th century: modern Latin, from Greek khēlē 'claw' + keras 'horn'.

Derivatives

cheliceral

1
adjective
Example sentences
  • They have no cheliceral teeth and their prey is consequently not mashed but sucked dry.
  • However, hairs were also a problem in some cases, obscuring the epigynum and cheliceral teeth.
  • Once the pedipalps are out of the way the cheliceral sheath is clearly visible and you can also see part of the toothed hypostome protruding anteriorly beyond the cheliceral sheath.

Definition of chelicera in:

Share this entry

Share this page

 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day odium
Pronunciation: ˈəʊdɪəm
noun
widespread hatred or disgust for someone…