from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A small, light-sensitive patch of pigment in certain algae and unicellular organisms.
- n. A simple visual organ of certain invertebrates consisting of a sensory ending covered by light-sensitive, pigmented cells.
- n. A rounded eyelike marking, as on the tail of a peacock.
- n. Botany Either of two fungal diseases that affect grasses and are characterized by oval lesions.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any of various primitive light-sensitive organs or regions in many diverse organisms.
- n. An eye-like marking on the tail of a peacock or the wing of a butterfly.
- n. Any of a group of fungal infections of grasses that are characterized by oval spots.
From eye + spot. (Wiktionary)