also: とさいぬ
noun
Tosa; Tosa Inu; Japanese Mastiff
A large Japanese dog breed originally from Tosa Province (now Kōchi Prefecture), known for its use in dog fighting. Also called Tosa Inu or Japanese Mastiff.
土佐犬は闘犬として知られている。
The Tosa is known as a fighting dog.
noun
Shikoku; Shikoku Inu
Sometimes used to refer to the Shikoku dog breed (四国犬), though this usage is less common and may cause confusion. The Shikoku is a separate native Japanese breed.
See also: 四国犬
一部の地域では、土佐犬が四国犬を指すこともある。
In some regions, 土佐犬 can refer to the Shikoku dog.
The Shikoku is a separate medium-sized Japanese breed, while 土佐犬 primarily refers to the Tosa fighting dog.
From 土佐 (Tosa, an old province name) + 犬 (dog). The breed was developed in the Tosa region.