dogbolt
/ˈdɒɡbɒlt/Definitions
1. noun
A type of door bolt or latch that is operated by a dog or handle.
“The old house had an antique dogbolt on the front door.”
2. verb
To secure or fasten something, especially a door, with a dogbolt.
“The worker dogbolted the door to ensure it was secure during the night.”