1. a detachable lock with a hinged shackle that can be passed through a link or ring

1. to fasten or secure with a padlock

Examples

• She put a padlock on her gym locker.
• The gate was secured with a heavy padlock.
• He forgot the combination to his padlock.
• The storage unit requires a padlock for security.
• They padlocked the shed to keep thieves out.
• The school padlocked the unused building.
• Please padlock the gate when you leave.