noun

• 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 coating designed to prevent excessive absorption of finish coats into porous surfaces; a coating designed to prevent bleeding.
• (sports, colloquial) A goal, shot, point, etc., scored close to fulltime so that it becomes impossible for the losing side to score enough to win.
• A person who hunts seals.
• A vessel engaged in the business of capturing seals.