What is the meaning of locking?

noun

• The act of locking something up to protect it.
  • synonyms: lockup

verb

• Fasten with a lock.
  • usage: "lock the bike to the fence"
  • synonyms: lock
• Keep engaged.
  • usage: "engaged the gears"
  • synonyms: engage, mesh, lock, operate
• Become rigid or immoveable.
  • usage: "The therapist noticed that the patient's knees tended to lock in this exercise"
  • synonyms: lock
• Hold in a locking position.
  • usage: "He locked his hands around her neck"
  • synonyms: lock, interlock, interlace
• Become engaged or intermeshed with one another.
  • usage: "They were locked in embrace"
  • synonyms: interlock, lock
• Hold fast (in a certain state. )
  • usage: "He was locked in a laughing fit"
  • synonyms: lock
• Place in a place where something cannot be removed or someone cannot escape.
  • usage: "The parents locked her daughter up for the weekend"; "She locked her jewels in the safe"
  • synonyms: lock in, lock away, lock, put away, shut up, shut away, lock up
• Pass by means through a lock in a waterway.
  • synonyms: lock
• Build locks in order to facilitate the navigation of vessels.
  • synonyms: lock