ETYM French, can, cruet, dim. of buire flagon.
Graduated glass measuring tube; Ecclesiastical, sacramental cruet.
In chemistry, a piece of apparatus, used in titration, for the controlled delivery of measured variable quantities of a liquid.
It consists of a long, narrow, calibrated glass tube, with a tap at the bottom, leading to a narrow-bore exit.
Glass tube with a tap; used for titration.