Used for letters or objects in an envelope or paper wrapping

(bound form) envelope; paper wrapping or cover for a package

to seal; to close up; to bank a fire; to cover up so as to make airtight or invisible

to block off; to close down; to restrict access or activity

to confer a title, territory, or rank upon someone; to grant; to bestow

(literary) border; boundary; frontier

the Chinese surname Feng

(literary) to heap up earth (to mark a boundary, build an altar, or form a burial mound)