to conclude; to finalize; to put the finishing touches (on)
To fasten with a button or buttons.
To fasten all the buttons on a coat, or similar item of clothing, to keep warm.
To seal off (a military vehicle or facility).
To achieve completion of something.
To finish a race.
To overstep a boundary, rule, or limit; to go too far or do something unacceptable.
To cross the equator, as a vessel at sea.
To film from the opposite side of an imaginary axis on set in order to view the actors from the opposite direction.