косу́шка

nounfeminineinanimatecountable

1.
(rare) kosushka (old Russian liquid measure of 307.5 ml), half-bottle measureunits of measurement
В старину во́дку ме́рили косу́шками.
In the old days vodka was measured in kosushkas.
Historical; used for liquids such as vodka and wine.
2.
(rare) glass of this size, bottle of this size
Он вы́пил косу́шку во́дки.
He drank a kosushka of vodka.
Historical; usually of vodka or wine.
3.
(rare) bowlregional
Она́ поста́вила на стол косу́шку с молоко́м.
She put a bowl of milk on the table.

Examples

Он выпил косушку водки за ужином.
He drank a kosushka of vodka with dinner.
В деревне косушкой раньше мерили вино.
In the village, wine used to be measured in kosushkas.
Продавец налил ему полную косушку молока.
The shopkeeper poured him a full kosushka of milk.