Emaciate

Part of speech: verb (v.)

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

Part of speech: verb (v.)

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

Part of speech: adjective (a.)

Emaciated. "Emaciate steeds." T. Warton.