tessella, ae, f. dim. [tessera],
a small square piece of stone , a little cube , for pavements, etc., Sen. Q. N. 6, 31, 2; Juv. 11, 132; Plin. 37, 10, 54, § 144; 17, 16, 26, § 120; Inscr. Oreil. 4316.
tessella ae, f dim.tessera, a small cube, die , Iu. ...
An Elementary Latin Dictionary