master key Meaning in Cambridge American English Dictionary
Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

Meaning of "master key" - American English Dictionary

See all translations

master keynoun [C]

 us   /ˈmæs·tər ˈki/
a key that can be used to open a number of different locks
Translations of “master key”
in Chinese (Traditional) 萬能鎖匙…
in Chinese (Simplified) 万能钥匙…
(Definition of master key from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of master key?
Add Cambridge dictionaries to your browser to your website

Definitions of “master key” in other dictionaries

Word of the Day
straight

the straight part of a racetrack (= the track on which competitors race)

Word of the Day

Are you a glass-half-full person? (Everyday Idioms)
Are you a glass-half-full person? (Everyday Idioms)
by Kate Woodford,
July 29, 2015
A reader of this blog recently asked for a post on idioms that are used in everyday English. This seemed like a reasonable request. After all, if you are going to make the effort to learn a set of English idioms, you want those idioms to be useful. The question, then, was

Read More 

exoskeleton noun
exoskeleton noun
July 27, 2015
a robotic device which goes around the legs and part of the body of a person who cannot walk and allows them to move independently and in an upright position The device, known as an exoskeleton, is strapped to the outside of a person’s limbs and can then be controlled by them.

Read More