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English definition of “seal”

seal

noun [C]
 
 
/siːl/
ANIMAL B2 an animal with smooth fur that eats fish and lives near the seaMarine mammals
ON A CONTAINER a piece of paper or plastic on a container that you break in order to open itClosing and blocking
OFFICIAL MARK an official mark made of wax, paper, or metal that is put on important documentsOfficial documents
STOP LIQUID/AIR an object or substance that stops liquid or air from leaving or entering a containerClosing and blocking
(Definition of seal noun from the Cambridge Learners Dictionary © Cambridge University Press)
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