Chelae

Definition

Pincer-like appendages found on some arthropods, such as scorpions, crabs, and certain types of spiders, used for grasping, feeding, and defense.

Etymology

From New Latin, derived from Greek 'khele', meaning 'claw' or 'hoof'.

Example

The chelae of a scorpion are often used to grasp prey before delivering a venomous sting.

Synonyms

• Claw
• Pincer

Related Terms

• Pedipalps
• Arthropods
• Appendages

Usage Notes

Chelae vary widely in size and shape among different species and are often adapted to their specific ecological roles.