sipper
nounUK /ˈsɪp.ər/
US /ˈsɪp.ɚ/
A sipper is a cup with a lid and a small hole for drinking.
She drank her juice from a sipper during the trip.
OTHER MEANINGS
2. A person who drinks slowly in small amounts.
He is a slow sipper and nurses one coffee all morning.
3. A small tube or straw used for sipping drinks.
The cocktail came with a thin sipper.
4. A device or container designed for sipping, such as a sports bottle.
Runners often carry a handheld sipper on long runs.