'Trichiasis' definitions:

Definition of 'Trichiasis'

From: GCIDE

Trichiasis \Tri*chi"a*sis\, n. [NL., fr. Gr. ?, fr. tri`x, tricho`s, hair.] (Med.) A disease of the eye, in which the eyelashes, being turned in upon the eyeball, produce constant irritation by the motion of the lids. [1913 Webster]