Definition of "sealer" in English

noun

1. A tool used to seal something.

2. A person who is employed to seal things.

3. A coating designed to prevent excessive absorption of finish coats into porous surfaces; a coating designed to prevent bleeding.

4. (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.

noun

1. A person who hunts seals.

2. A vessel engaged in the business of capturing seals.