Lewis Short
(verb) : măcĭo, āre, id.
* To make lean, thin, or meagre, to reduce (post-class.): Caspii maris fauces mirum in modum maciantur imbribus, crescunt aestibus,Sol. 15, 18; cf.: macio διακναίω, Gloss. Philox.
Charlton T. Lewis, Charles Short, A Latin Dictionary