1.IT to fasten somerthing such as a door or a container, usually. with a key, so that other
people connot open it:John went uot and locked the door behind him.+Have you
locked the car? lock sth in sth She locked the documents in the safe. 1a. [I] to
become fatened with a lock: the door slammed and locked + This drawer won't lock'
picture - CLOSE
2.[I] if something locks in particular position, it is firmity fixed.or held in that position:
The brakes locked and the spun off the road 2a.[I] lock or fix something firmly
in a particular position:He locked arms around her waist'
3.[I]computing to prevent information on a computer from being changed or looked at by someone who dose not have permission:All entries are locked so on unauthorized modifications can be made.
4.[I/T]literary if two people eyes lock direcily into each other
eyes