D defs.my
Entry 1 sense Webster, 1913

Ocellus

· O·cel·lus · IPA /əʊˈsɛləs/
01 n. A little eye; a minute simple eye found in many invertebrates.
pl. Ocelli ((#))
  1. 1.
    A little eye; a minute simple eye found in many invertebrates.(Zool.)