Definition of "ocelli" []

• Plural form of ocellus. (noun)

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• "Some freshwater species have separate light sensors referred to as ocelli or pseudocelli."
• "A few moths are also provided with small simple eyes called ocelli; these are placed on top of the head and are so covered with down they cannot be distinguished save by experts."
• "{Scanner's note: this is no longer a valid usage for the word "ocelli"."