the.com/safe room

A panic button with drywall — bought when peace of mind got expensive enough to build.

means A reinforced, lockable room built into a home or building to shelter occupants during a break-in, attack, or disaster.

from A straightforward compound of 'safe' (from Latin 'salvus,' meaning uninjured or whole) and 'room.' The term rose in the late 20th century alongside home-security culture, and jumped further into public consciousness through news coverage of wealthy households installing them and through film and TV depicting break-ins thwarted by one locked door.

origin
Popularized post-9/11 and after celebrity home invasions
materials
Steel-reinforced walls, often bulletproof
irony
Many owners store guns inside, defeating the calm
real estate
Can add significant resale value in luxury homes
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