Eyes

Definition

Sensory organs typically found on the head of insects and arachnids, used for vision and detecting light.

Etymology

Originates from Old English 'ēage,' of Germanic origin; related to Dutch 'oog' and German 'Auge.'

Example

The compound eyes of dragonflies provide them with excellent vision to spot prey.

Synonyms

• Ocular organs
• Visual organs

Related Terms

• Compound eyes
• Ocelli
• Vision
• Sensory organs

Usage Notes

Insects typically possess compound eyes and may also have simple eyes called ocelli. Arachnids usually have multiple simple eyes.