Scle-rŏt'ic1, a.
a. [Fr. sclérotique, It. sclerotica, Sp. esclerotico, esclirotico, N. Lat. scleroticus, from Gr. σκληρός, hard.] Hard; firm; as, the sclerotic coat, membrane, or tunic of the eye, which is the firm, white, outer coat.