a sensory organ of lower animals, having a light-perceiving function.
an eyelike , as on the tail of a peacock; .
Plant Pathology. a disease of plants, characterized by elliptical lesions on the leaves and stems, stunting of growth, and rotting, caused by any of several fungi.
a small area of light-sensitive pigment in some protozoans, algae, and other simple organisms
an eyelike marking, as on the wings of certain butterflies
noun, Military. 1. (at ceremonies) the command to turn the head and eyes to the right in salute. interjection 1. (military) a command to troops to look right, esp as a salute when marching
[ahy-stawk] /ˈaɪˌstɔk/ noun, Zoology. 1. the or peduncle upon which the is borne in lobsters, shrimps, etc. /ˈaɪˌstɔːk/ noun 1. a movable stalk bearing a compound eye at its tip: occurs in crustaceans and some molluscs eyestalk (ī’stôk’) A movable stalk having a compound eye on its tip, found on crabs, lobsters, and other crustaceans.
[ahy-stohn] /ˈaɪˌstoʊn/ noun 1. a small calcareous body, flat on one side and convex on the other, passed between the and the eyelid to bring out cinders or other foreign matter.
[ahy-streyn] /ˈaɪˌstreɪn/ noun 1. a sensation of discomfort produced in the by their excessive or improper use: to have eyestrain from reading fine print in poor light. /ˈaɪˌstreɪn/ noun 1. fatigue or irritation of the eyes, resulting from excessive use, as from prolonged reading of small print, or uncorrected defects of vision eyestrain eye·strain (ī’strān’) […]