ocellus

2 definitions found

ocellus - Collaborative International Dictionary of English v.0.48 :

  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]

ocellus - WordNet (r) 2.1 (2005) :

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