See Also: ocellus(medicine)
Ocellus(health)
ocellus(dictionary)

ocellus (iou)



ocellus noun. . E19.
[Latin, dim. of oculus eye.]
Zoology. Each of the small simple, as distinct from the compound, eyes of insects, other arthropods, etc.; a simple or rudimentary eye or visual spot which is sensitive to light but does not form a focused image. Also occas., a facet of a compound eye, an ommatidium. E19.
A coloured spot surrounded by a ring or rings of different colour, as on some feathers, butterflies' wings, etc.; an eyelike spot. E19.