beer mug; stein; tankard
A large, sturdy glass or ceramic mug with a handle, typically used for serving beer. The Japanese word is a loan from English 'jug', but its meaning has narrowed to refer specifically to a beer mug.
from English jug
Drinking draft beer from a mug is one of the pleasures of summer.
I like drinking beer from a chilled mug.
The clerk lined up the beer mugs on the counter.
We all clinked our beer mugs together and toasted.
He downed as many as three mugs of beer in one night.
medium beer mug
large beer mug
small beer mug
Loanword from English 'jug', but the meaning has shifted in Japanese to refer specifically to a beer mug with a handle.