Dry Eye Definition

noun
Keratoconjunctivitis characterized by decreased tear flow and thickening and hardening of the cornea and conjunctiva.
American Heritage Medicine

(idiomatic) An eye which is not crying, i.e. someone emotionally unmoved.

There wasn't a dry eye in the audience after her heart-wrenching performance.
Wiktionary

Other Word Forms of Dry Eye

Noun

Singular:
dry eye
Plural:
dry eyes