Meaning of the word "master bedroom" in English

What does "master bedroom" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

master bedroom

US /ˈmæs.tɚ ˌbed.ruːm/
UK /ˈmɑː.stə ˈbed.ruːm/
"master bedroom" picture

Noun

the main bedroom in a house, usually the largest one and often with an attached bathroom

Example:
The house has three bedrooms, including a spacious master bedroom with an en-suite bathroom.
They decided to redecorate the master bedroom first.