kubanka
/ˈkjuːbɑːŋkə/ or /kʊˈbɑːŋkə/ (KOO-bahn-kah)
Definitions
1. noun
A type of Soviet-era water bottle or canteen, often made of stainless steel or plastic, used to carry liquids.
“The hikers filled their kubankas with water to stay hydrated on the mountain trail.”