Dictionary.net

• ti-r[=i]'a-sis, n. elephantiasis Arabum: the falling out of the hair.--Also TYR[=O]'MA. [Gr. tyros, cheese.]

1908 - Chambers's Twentieth Century Dictionary of the English Language
By Thomas Davidson

• A variety of true leprosy.

1898 - American pocket medical dictionary
By Willam Alexander Newman Dorland