seal

SEAL noun

[ C ] uk/siːl/ us seal noun [C]
(ON A CONTAINER)

a piece of paper or plastic on a container that you break in order to open it

пломба, печать
seal noun [C]
(STOP LIQUID/AIR)

an object or substance that stops liquid or air from leaving or entering a container

затычка

seal verb [ T ] uk/siːl/ us seal verb [T]
(CLOSE LETTER)

to close a letter or parcel by sticking the edges together

запечатывать
to seal an envelope
Фразовые глаголы seal sth off