noun Etymology: from the absence of a spine in front of the dorsal fin Date: 1603 any of several dogfishes (genus Mustelus ) closely related to or included with the requiem sharks
SMOOTH HOUND
Meaning of SMOOTH HOUND in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012