Device That Unlocks Every Door in a Building
This page is the CodyCross answer for the clue below from India, Group 1489, Puzzle 1 (Rani Ki Vav).
Question is: Device That Unlocks Every Door in a Building
and the answer is: MASTERKEY
Word Meaning:
MASTER KEY — A key designed to open a set of several locks; a passkey.
Definitions from Wiktionary.