A tool used to seal something. / A person who is employed to seal things. / An officer responsible for sealing writs or instruments, stamping weights and measures, etc.

A person who hunts seals. / A vessel engaged in the business of capturing seals.

plural of sealer

A machine to vacuum pack (to pack something in an airtight container from which some or all of the air is removed, creating a partial vacuum)

An industrial facility where seals are slaughtered.

plural of sealery