Lewis Short
quăsillum | quăsillus, i (noun N.m) : n., and , , m.dim.qualum
* A small basket for various purposes; esp., a wool-basket (class.), Cato, R. R. 133.—Of wool-baskets: inter quasilla pendebatur aurum,in the spinning-room,Cic. Phil. 3, 4, 10: pressumque quasillo Scortum, who must spin, i. e. low, mean, Tib. 4, 10, 3; Prop. 4 (5), 7, 37.
Charlton T. Lewis, Charles Short, A Latin Dictionary