Part of a House That's Used to Hide From a Threat

This page is the CodyCross answer for the clue below from Earth, Group 16, Puzzle 3.

Question is: Part of a House That's Used to Hide From a Threat

and the answer is: SAFEROOM

Word Meaning:

SAFE ROOM — A fortified room serving as a safe hiding place for the inhabitants of a building in the event of a break-in or emergency.

Definitions from Wiktionary.