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Noun: sealer  see-lu(r)
  1. 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)
    - sealant
     
  2. An official who affixes a seal to a document

Derived forms: sealers

Type of: functionary, official, sealing material

Encyclopedia: Sealer