Dictionary

Explore meaning, context, and usage with an online dictionary experience optimized for multilingual workflows.

Clear

Try these words

Meaning of master key

Source language: EnglishDictionary language: English

master key

Pronunciation:

noun

Definitions

  1. A key designed to open a set of several locks; a passkey.

  2. Any tool or technique that can solve many types of difficulty.

  3. (police) A shotgun shell designed for breaching doors.