Marasmus \Ma*ras"mus\, n. [NL., fr. Gr. ?, fr. ?, to quench, as fire; pass., to die away.]

(Med.) A wasting of flesh without fever or apparent disease; a kind of consumption; atrophy; phthisis.

Pining atrophy, Marasmus, and wide-wasting pestilence. --Milton.

Marasmus senilis [L.]

, progressive atrophy of the aged.

Source: Webster's Revised Unabridged Dictionary (1913)