Lewis Short
cŭlullus (noun M) : (acc. to Acro upon Hor. C. 1, 31, 11, orig. a sacrificial vessel for liquids; later, in gen.)
* A drinking-vessel, beaker, goblet, cup, bowl, Hor. l. l.; id. A. P. 434.
Charlton T. Lewis, Charles Short, A Latin Dictionary