Collins COBUILD Advanced Learner's English Dictionary - padlock

(padlocks, padlocking, padlocked) 1. A padlock is a lock which is used for fastening two things together. It consists of a block of metal with a U-shaped bar attached to it. One end of the bar is released by turning a key in the lock. They had put a padlock on the door of his flat. N-COUNT 2. If you padlock something, you lock it or fasten it to something else using a padlock. Eddie parked his cycle against a lamp post and padlocked it... VERB: V n, also V n to n