acroamatarius

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.

ācrŏāmătārĭus, a, um, adj. [acroama],

belonging to a musical or reading entertainment : SER. ACROAMAT. GRAEC., i. e. serva acroamataria Graeca, Inscr. Orell. 2885.