highball glass
US /ˈhaɪbɔːl ˌɡlæs/
UK /ˈhaɪbɔːl ˌɡlæs/

1.
longdrinkglas, highballglas
a tall, straight-sided glass, typically used for serving mixed drinks with a large proportion of a non-alcoholic mixer
:
•
He poured the gin and tonic into a highball glass.
Hij schonk de gin-tonic in een longdrinkglas.
•
The bar had a variety of glassware, including several highball glasses.
De bar had een verscheidenheid aan glaswerk, waaronder verschillende longdrinkglazen.