Eye-spot

2 definitions found

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

  Eye-spot \Eye"-spot`\, n. (Zo["o]l.)
     (a) A simple visual organ found in many invertebrates,
         consisting of pigment cells covering a sensory nerve
         termination.
     (b) An eyelike spot of color.
         [1913 Webster]



From WordNet (r) 2.0 [wn]:

  eyespot
       n : an eyelike marking (as on the wings of some butterflies);
           usually a spot of color inside a ring of another color
           [syn: {ocellus}]