Hypertext Webster Gateway: "eyespot"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
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.
From WordNet (r) 1.7 (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}]
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