What is the definition of seal

	seal_off
1.		[ verb ] make tight; secure against leakage
Synonyms:		seal
Examples:		"seal the windows"
Related terms:		close reseal waterproof caulk pack seal sealant
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2.		[ verb ] (military) impose a blockade on
Synonyms:		blockade
Related terms:		besiege blockade

Similar spelling:		sell_off selloff