sealer has definitions from the fields of work,government
1
[ noun ] (work,government) an official who affixes a seal to a document

Related terms

official seal

2
[ noun ] a kind of sealing material that is used to form a hard coating on a porous surface (as a coat of paint or varnish used to size a surface)

Synonyms

sealant

Related terms

sealing_material seal varnish

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