Ocellus (Noun)
Meaning 1
An eyelike marking (as on the wings of some butterflies); usually a spot of color inside a ring of another color.
Classification
Nouns denoting attributes of people and objects.
Synonyms
Hypernyms
Meaning 2
An eye having a single lens.
Classification
Nouns denoting body parts.
Examples
- The compound eye of a housefly is divided into thousands of individual ocelli, each providing a distinct image.
- A dragonfly's ocellus is particularly large and positioned on top of its head to detect movement.
- The ocelli of a bee are sensitive to ultraviolet light, helping it navigate and find nectar.
- The ocellus of a grasshopper is essentially a small, light-sensitive eye spot that detects changes in brightness.
- A typical ant has a pair of large compound eyes and a trio of tiny ocelli on its forehead that help it perceive its surroundings.