bunghole

[ buhng-hohl ]

/ ˈbʌŋˌhoʊl /

a hole in a cask through which it is filled.

Origin of bunghole

First recorded in 1565–75; bung¹ + hole

When tunned, and the beer has done working, cover the bung-hole with paper.

The Cook and Housekeeper's Complete and Universal Dictionary; Including a System of Modern Cookery, in all Its Various Branches, |Mary Eaton
Endeavor to proportion the size of the cask to the quantity, as it must be kept filled, so as to work out at the bung-hole.

Mrs. Hale's Receipts for the Million |Sarah Josepha Hale
This is done by hooking the match to a bent wire, kindling and suspending it within the cask through the bung-hole.

A Dictionary of Arts, Manufactures and Mines |Andrew Ure
When it has done working, paste a piece of paper on the bung-hole, and after three days it may be fastened close.

The Cook and Housekeeper's Complete and Universal Dictionary; Including a System of Modern Cookery, in all Its Various Branches, |Mary Eaton

When the liquid is sufficiently acid, stop the bung-hole closely, and remove the cask to a cool place.

Miss Leslie's Lady's New Receipt-Book |Eliza Leslie

bunghole

/ (ˈbʌŋˌhəʊl) /

a hole in a cask, barrel, etc, through which liquid can be poured or drained