noun Download 🔗Share A simple eye consisting of a single lens and a small number of sensory cells. Examples : "The spider relied on its eight ocelli to detect movement and light, rather than forming detailed images like our eyes do. " organ biology animal anatomy Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share 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. Examples : "The butterfly landed on the flower, displaying a large, vibrant ocellus on each wing, resembling a staring eye. " animal biology nature insect bird appearance Chat with AIVocabulary GamePractice Reading