spill-proof cup
nounUK /ˈspɪl pruːf kʌp/
US /ˈspɪl pruːf kʌp/
A cup that does not let its drink spill out.
The toddler drank milk from her spill-proof cup without making a mess.
OTHER MEANINGS
2. A cup designed with a special lid or valve to prevent liquid from escaping when tipped or dropped.
This spill-proof cup has a silicone valve that stops leaks.
3. A travel mug with a secure closure for carrying drinks on the go.
He packed a spill-proof cup of coffee for the morning commute.
4. Any container engineered to keep its contents from spilling during transport or use.
The picnic set includes spill-proof cups for the kids.