Sealer
noun
1.
an officer appointed to examine and test weights and measures, and to set a stamp upon such as are true to the standard.
2.
a substance applied to a porous surface as a basecoat for paint, varnish, etc.
noun
1.
a person or ship engaged in hunting seals.
noun
1.
a person or thing that seals
2.
(formerly in Britain and currently in the US) an official who examines the accuracy of weights and measures
3.
a coating of paint, varnish, etc, applied to a surface to prevent the absorption of subsequent coats
noun
1.
a person or ship occupied in hunting seals
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