- The definition of a padlock is a detachable lock with a hinged U-shaped hook that goes around the items being locked.
A lock with a hinged U-shaped hook that you use to chain your bike to the bike rack is an example of a padlock.
- To padlock is to secure something using a lock with a hinged U-shaped hook.
When you wrap chains around the doors of your storage shed and you then secure the chains with a U-shaped lock so they cannot be removed, this is an example of when you padlock your shed.
A red padlock.
padlock definition by Webster's New World
Origin: Middle English padlocke ; from pad (; from uncertain or unknown; perhaps ) plush lokke, lock
- to fasten with or as with a padlock
- to close (a building) against entrance
padlock definition by American Heritage Dictionary
Origin: Middle English padlok : pad-, of unknown meaning + lok, lock; see lock1.