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ocellus
(redirected from ocelli)

   Also found in: Medical, Encyclopedia, Wikipedia 0.03 sec.
o·cel·lus  (-sls)
n. pl. o·cel·li (-sl)
1. A small simple eye, found in many invertebrates, usually consisting of a few sensory cells and a single lens.
2. A marking that resembles an eye, as on the tail feathers of a male peacock; an eyespot.

[Latin, diminutive of oculus, eye; see okw- in Indo-European roots.]

o·cellar (-slr) adj.

ocellus [ɒˈsɛləs]
n pl -li [-laɪ]
1. (Life Sciences & Allied Applications / Zoology) the simple eye of insects and some other invertebrates, consisting basically of light-sensitive cells
2. (Life Sciences & Allied Applications / Biology) any eyelike marking in animals, such as the eyespot on the tail feather of a peacock
3. (Life Sciences & Allied Applications / Botany) Botany
a.  an enlarged discoloured cell in a leaf
b.  a swelling on the sporangium of certain fungi
[via New Latin from Latin: small eye, from oculus eye]
ocellar  adj
ocellate  [ˈɒsɪˌleɪt], ocellated [ˈɒsɪˌleɪtɪd] adj
ocellation  n

ocellus  (-sls)
Plural ocelli (-sl)
1. A small, simple eye or eyespot, found in many invertebrates.
2. A marking that resembles an eye, as on the wings of some butterflies.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.ocellus - an eye having a single lens
eye, oculus, optic - the organ of sight
ommatidium - any of the numerous small cone-shaped eyes that make up the compound eyes of some arthropods
2.ocellusocellus - an eyelike marking (as on the wings of some butterflies); usually a spot of color inside a ring of another color
marking - a pattern of marks


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