Anatomy The vertebrate organ of sight, composed of a pair of fluid-filled spherical structures that occupy the orbits of the skull. Incoming light is refracted by the cornea of the eye and transmitted through the pupil to the lens, which focuses the image onto the retina.
Zoology An organ in invertebrates that is sensitive to light. See more at compound eye, eyespot.
Botany A bud on a tuber, such as a potato.
Meteorology The relatively calm area at the center of a hurricane or similar storm. See more at hurricane.