to fasten with or as with a padlock.

Is it padlock or paddle lock?

Padlocks are portable locks with a shackle that may be passed through an opening (such as a chain link, or hasp staple) to prevent use, theft, vandalism or harm.

Is HASP a real word?

English Language Learners Definition of hasp

: a device that is used to fasten a door, lid, etc.