pink-eye

noun Pathology.

1. a contagious, epidemic form of acute conjunctivitis occurring in humans and certain animals: so called from the color of the inflamed eye.

noun

1. Also called: acute conjunctivitis an acute contagious inflammation of the conjunctiva of the eye, characterized by redness, discharge, etc: usually caused by bacterial infection
2. Also called: infectious keratitis a similar condition affecting the cornea of horses and cattle

n.contagious eye infection, 1882, American English, from pink (adj.) + eye (n.). n.

1. acute contagious conjunctivitis