sorbitiuncula

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

sorbĭtĭuncŭla, ae, f. dim. [sorbitio],

a small draught (post-class.), Marc. Emp. 10 med. ; Hier. Vit. Hilar. 11; Vulg. 2 Reg. 13, 6.