Ocellate: eye-like in appearance: in Lepidoptera, spots on the wings, bordered by a colored iris or ring, and usually with a pupil.
Ocelli: plural of ocellus; q.v.; = stemmata.
Ocelligerous: supplied with, or bearing ocelli.
Ocellus: a simple eye, consisting of a single convex or bead-like lens, which conveys an image to a retina.
Ocelli occur in larvae and, singly or in small groups, in adults: the compound eyes are made up of numerous ocelli.
Ochraceous: yellow with a slight tinge of brown [pale cadmium yellow and brown ochre].
Ochraeus -eus: = ochraceous.
Ochro-leucus: dilute ochraceous.
Ocular emargination: in Mallophaga, a lateral emargination of the head in which the eye is received posteriorly.
Ocular fleck: in Mallophaga, a small, intensely black spot of pigment in the eyes.