[1] : The Collaborative International Dictionary of English v.0.48

ocellus \ocel"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
see also:
ocelli 

[2] : WordNet (r) 2.0

ocellus
     n 1: an eye having a single lens syn: simple eye, stemma
     2: an eyelike marking as on the wings of some butterflies;
        usually a spot of color inside a ring of another color
        syn: eyespot
     also: ocelli pl
see also:
simple eye stemma eyespot ocelli 

[3] : WordNet (r) 2.0

ocelli
     see ocellus
see also:
ocellus 

Ocelli >> O Words
Ocelli, definition of term: Ocelli
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