Webster's Revised Unabridged Dictionary · 1913

Emaciate

Emaciate , intransitive verb

[Latin emaciatus, past participle of emaciare to make lean; e + maciare to make lean or meager, from macies leanness, akin to macer lean. See Meager.]

To lose flesh gradually and become very lean; to waste away in flesh.
He emaciated and pined away. — Sir T. Browne

Emaciate , transitive verb

To cause to waste away in flesh and become very lean; as, his sickness emaciated him.

Emaciate , adjective

[Latin emaciatus, p. p.]

Emaciated.
Emaciate steeds. — T. Warton