Answer: locking

AnswerCrossword Clue
LOCKINGClosing tightly.
locking(of a door, window, box, etc.) Become or be able to be secured through activation of a lock
lockingthe act of locking
locking(of land, hills, ice, etc.) Enclose; surround
lockingEnclose or shut in by locking or fastening a door, lid, etc
lockingGo through a lock on a canal
lockingConfine prisoners to their cells, esp. so as to gain control
lockingTrap or fix firmly or irrevocably
lockingCause to become caught or involved in
lockingEngage or entangle in (an embrace or struggle)
lockingImprison someone
lockingInvest money in something so that it is not easily accessible
lockingFasten or secure (something) with a lock
lockingMake or become rigidly fixed or immovable
lockingShut and secure something, esp. a building, by fastening its doors with locks