lock

sidonta

lukko

kuljettaa sulusta

lukittua

kytkeä Something used for fastening, which can only be opened with a key or combination.
1883, (w), (w)

"Give me the key," said my mother; and though the lock was very stiff, she had turned it and thrown back the lid in a twinkling.

(..)the application must first acquire a lock on a file or a portion of a file before reading data and modifying it.

Here the canal came to a check, ending abruptly with a large lock.

"I never saw such a gun in my life," replied poor Winkle, looking at the lock, as if that would do any good.

Even though he had not yet done so, Jack felt he had a lock on the game.

Brian thinks she's a lock to get a scholarship somewhere.

Albemarle Street closed by a lock of carriages

(rfquotek)