drinking straw
The common modern meaning: a thin tube for drinking beverages.
I drank the juice with a straw.
straw (dried stalk)
Rarely used alone for dried grain stalks; modern Japanese normally uses 藁 (わら) for this meaning. This sense is mostly encountered in older or translated contexts.
See also: わら
In old translations, there are cases where 藁 is written as ストロー.
I drank the juice through a straw.
You poke the straw into the carton and drink from it.