Main eye

Pronunciation
/meyn ahy/
Category
Anatomy
Singular
Main eye
Plural
Main eyes

Definition

Primary eyes in spiders and some other arachnids, typically larger and more forward-facing than secondary eyes, used for detailed vision and hunting.

Etymology

From Old English 'māgen', meaning 'force' or 'power', and 'ēage', meaning 'eye'.

Example

The main eyes of the jumping spider provide it with acute vision to accurately pounce on its prey.

Synonyms

  • Principal eyes
  • Primary eyes

Related Terms

Usage Notes

In spiders, main eyes are usually the anterior median eyes (AME) and are crucial for visual acuity.