Definition, Meaning & Synonyms

ocelli

noun
/oʊˈsɛlaɪ/
Definition
Ocelli are simple eyes found in many invertebrates, such as insects and some species of crustaceans.
Examples
  • Many butterflies have two or more ocelli on their wings.
  • The ocelli of certain insects help them navigate during flight.
  • Some species of spiders also possess ocelli to aid in vision.
Meaning
Ocelli are sensory organs that detect light and help organisms determine the direction of sunlight.
Synonyms
  • simple eyes
  • light-sensitive organs