ocellus

Noun
Synonyms: simple eyestemmaeyespot

WordNet 3.0

Noun (2)

  1. an eye having a single lensSynonyms: simple eyestemma
  2. an eyelike marking (as on the wings of some butterflies); usually a spot of color inside a ring of another colorSynonyms: eyespot
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Webster's Dictionary (GCIDE)

Ocellus \O*cel"lus\, n.; pl. Ocelli. [L., dim. of oculus an eye.] (Zool.) (a) A little eye; a minute simple eye found in many invertebrates. (b) An eyelike spot of color, as those on the tail of the peacock. [1913 Webster]
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