Otter hound(redirected from otter dog)
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Related to otter dog: otterhound
a large (approximately 65 to 115 lb), muscular dog with a large head and distinctive long, pendulous ears that curl inward on the leading edge, large feet and a long tail. The coat is long, dense and rough with an oily, waterproof topcoat in solid colors. The breed is affected by an inherited platelet disorder (thromboasthenic thrombocytopathia).