noun, plural o·cel·li [oh-sel-ahy] /oʊˈsɛl aɪ/.
Examples from the Web for ocellus
I will next describe the other extreme of the series, namely the first trace of an ocellus.The Descent of Man and Selection in Relation to Sex|Charles Darwin
Ocellus: a simple eye, consisting of a single convex or bead-like lens, which conveys an image to a retina.
When the ocellus includes a lunular spot of a different colour.An Introduction to Entomology: Vol. IV (of 4)|William Kirby
Occasionally specimens have a minute ocellus below the large one on the fore-wings.New Zealand Moths and Butterflies|G. V. Hudson
Frontal lobes: in Psyllidae, two lobes or swellings more or less completely divided by a suture in which an ocellus is situated.
British Dictionary definitions for ocellus
noun plural -li (-laɪ)
- an enlarged discoloured cell in a leaf
- a swelling on the sporangium of certain fungi