seal
US /siːl/
UK /siːl/

1.
joint, sceau
a device or substance that is used to join two things together so as to prevent them from coming apart or to prevent anything from passing between them
:
•
The broken seal caused the leak.
Le joint cassé a provoqué la fuite.
•
Make sure the seal on the container is tight.
Assurez-vous que le joint du récipient est bien serré.
2.
sceau, cachet
a piece of wax, lead, or other material with an individual design stamped into it, attached to a document as a mark of authenticity or used to close a letter or package
:
•
The king's letter bore his royal seal.
La lettre du roi portait son sceau royal.
•
The document was authenticated with an official seal.
Le document a été authentifié avec un sceau officiel.
3.
phoque, otarie
a carnivorous marine mammal with flippers, a streamlined body, and a layer of blubber, able to live on land and in water
:
•
We saw a seal basking on the rocks.
Nous avons vu un phoque se prélasser sur les rochers.
•
Seals are excellent swimmers.
Les phoques sont d'excellents nageurs.
1.
sceller, fermer hermétiquement
fasten or close securely, so that air, liquid, or other contents cannot enter or escape
:
•
Please seal the envelope before mailing it.
Veuillez sceller l'enveloppe avant de l'envoyer.
•
The jar was perfectly sealed to keep the contents fresh.
Le bocal était parfaitement scellé pour garder le contenu frais.
2.
sceller, ratifier
formally certify or approve (something)
:
•
The deal was sealed with a handshake.
L'accord a été scellé par une poignée de main.
•
Their fate was sealed when the enemy attacked.
Leur sort était scellé lorsque l'ennemi a attaqué.