ocellus

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.

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

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o·cellar (-slr) adj.

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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

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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.

Thesaurus

Noun	1.	ocellus - an eye having a single lens simple eye, stemma 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.	ocellus - an eyelike marking (as on the wings of some butterflies); usually a spot of color inside a ring of another color eyespot marking - a pattern of marks