from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A small simple eye, found in many invertebrates, usually consisting of a few sensory cells and a single lens.
- n. A marking that resembles an eye, as on the tail feathers of a male peacock; an eyespot.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A simple eye consisting of a single lens and a small number of sensory cells
- n. An eyelike marking in the form of a spot or ring of colour, as on the wing of a butterfly or the tail of a peacock
from the GNU version of the Collaborative International Dictionary of English
- n. A little eye; a minute simple eye found in many invertebrates.
- n. An eyelike spot of color, as those on the tail of the peacock.
from The Century Dictionary and Cyclopedia
- n. A little eye; an eye-spot; a stemma; one of the minute simple eyes of insects and various other animals.
- n. One of the simple elements or facets of a compound eye. See cut of compound eye, under eye.
- n. In Hydromedusæ, a pigment-spot at the base of the tentacles, or combined with other marginal bodies, in some cases provided with refractive structures which recall the crystalline cones of some other low invertebrates. Also called ocellicyst.
- n. One of the round spots of varied color, consisting of a central part (the pupil) framed in a peripheral part, such as characterize the tail of a peacock or the wing of an argus-pheasant.
- n. See the adjectives.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. an eyelike marking (as on the wings of some butterflies); usually a spot of color inside a ring of another color
- n. an eye having a single lens
Latin, diminutive of oculus, eye.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin ocellus ("little eye"), from oculus ("eye") (Wiktionary)