Meaning of the word "bull mastiff" in English

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

bull mastiff

US /ˈbʊlˌmæstɪf/
UK /bʊl ˈmæs.tɪf/
"bull mastiff" picture

Noun

a large, powerful breed of dog, typically fawn or brindle with a black mask, originally bred from the bulldog and mastiff to guard estates.

Example:
The Bullmastiff stood guard at the entrance, a formidable presence.
She adopted a rescue Bullmastiff with a gentle temperament.