Definitions for eyespotˈaɪˌspɒt
Random House Webster's College Dictionary
a light-sensitive group of cells or rudimentary visual structure of various algae and invertebrates.
Ref: eye (def. 16). 16
an eyelike marking (as on the wings of some butterflies); usually a spot of color inside a ring of another color
Any of various primitive light-sensitive organs or regions in many diverse organisms.
An eye-like marking on the tail of a peacock or the wing of a butterfly.
Any of a group of fungal infections of grasses that are characterized by oval spots.