Chelicerae

Definition

The pair of appendages in front of the mouth in arachnids, typically modified as pincers or fangs used for feeding and defense.

Etymology

From New Latin, originating from Greek 'chele', meaning 'claw', and 'keras', meaning 'horn'.

Example

The chelicerae of a spider are often used to inject venom into its prey.

Synonyms

• Jaws

Related Terms

• Arachnids
• Fangs
• Mouthparts
• Venom

Usage Notes

In spiders, the chelicerae are particularly important for subduing prey, while in mites, they are more varied and adapted for different feeding habits.