seal
nounUK /siːl/
US /siːl/
A seal is a sea animal with flippers that swims and eats fish.
The seal balanced a ball on its nose at the zoo.
OTHER MEANINGS
2. To close something tightly so nothing can get in or out.
Please seal the envelope before you mail it.
3. A stamp or mark used to show that something is official or private.
The letter had a red wax seal on the back.
4. To decide something firmly and finally.
The team's win sealed their place in the finals.