A water bottle is the container you carry drinking water in. Fill the water bottle.
A wide neck can be filled from a stream and a narrow one cannot, which decides everything. A water bottle carried full is heavy, and a litre weighs a kilogram.
1nounwater bottleThe container you carry drinking water in.
“The water bottle was empty by the second hill.”
water bottle is a container.
Practised in Camping & Outdoors