frĭtillus, i, m.,
a box from which the dice were thrown , a dice-box , Mart. 14, 1, 3; 4, 14, 8; Juv. 14, 5; Sen. Apocol. fin.
fritillus ī, m dim.FRI-, a little rattling box, dice-box , Iu. ...
An Elementary Latin Dictionary