noun
- a large, powerful breed of dog with a broad head and short coat, originally bred for guarding and protection
Examples
- The mastiff stood guard at the front gate of the estate.
- English mastiffs can weigh over 200 pounds when fully grown.
- The family’s mastiff was gentle with children despite its intimidating size.
- Ancient Romans used mastiffs as war dogs in battle.
- The mastiff’s deep bark warned visitors of their approach.
- She trained her mastiff to be both a companion and a protector.