n. | 1. a person, substance, or device that seals something, e.g. a substance used to make a surface nonporous 2. a hunter of seals, or a boat used by such hunters 3. an official who inspects and certifies weights and measures 5. someone who hunts seals, especially as their job 1. a person, substance, or device that seals something, e.g. a substance used to make a surface nonporous 2. a hunter of seals, or a boat used by such hunters 3. an official who inspects and certifies weights and measures 5. someone who hunts seals, especially as their job |