sealing >> ˈsiːlɪŋ
Definition: [noun] the action or process of fastening or closing something securely.
Example: observers have the right to be present during the sealing of the ballot box
Definition: [noun] the application of a non-porous coating to a surface to make it impervious.
Example: inadequate seam sealing is the most common reason roofing systems fail
Definition: [noun] the definitive conclusion or establishment of something.
Example: that moment is the sealing of a pact