Caseous \Ca"se*ous\, a. [L. caseus. Cf. Casein.]

Of, pertaining to, or resembling, cheese; having the qualities of cheese; cheesy.

Caseous degeneration, a morbid process, in scrofulous or consumptive persons, in which the products of inflammation are converted into a cheesy substance which is neither absorbed nor organized.

Source: Webster's Revised Unabridged Dictionary (1913)