What is the protective plate on a door lock called?

Question

Some doors have this plate that guards the latch mechanism.
For some reason my search-fu is failing, I found tons of diagrams of lock and door parts but I can't find that plate.
What is that called?

Alaska Man · Accepted Answer

Some doors have this plate that guards the latch mechanism.

You have one answer in that sentence,  Guard and latch, just reverse them to "Latch Guard".
It is called many things,
A  "latch shield"
Or "Door latch guard"
Or "Latch protector".
To name a few.

manassehkatz-Moving 2 Codidact · Answer

One match is "Latch Guard":

Ben · Answer

The protective plate around the keyhole in a door is called an escutcheon plate, but the term can be used to describe a metal plate serving a similar purpose, either protecting a mechanism or a surface or finish, on architectural fittings like doors and windows as well as on furniture. Hope this is somewhere close to useful.

Answered by Ben on April 15, 2021

Jim · Answer

If the plate went the entire height of the door, it would be called an Astragal.
The best citation I found for this is Oxford Languages (Google's dictionary search partner), but there is no link.
noun: astragal; plural noun: astragals
a convex molding or wooden strip across a surface or separating panels, typically semicircular in cross-section.
ARCHITECTURE
a small semicircular molding around the top or bottom of a column.
a wooden molding that covers the gap between a pair of doors or casement windows.
a glazing bar, typically one used in cabinetmaking.

What is the protective plate on a door lock called?

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