tunny
/ˈtʌni
/(also tunny fish)
noun (plural same or tunnies)
A tuna, especially the bluefin.During that time he had been the only angler to land a tunny fish by rod and line....
- My grandfather owned a tunny boat that sailed out of Whitby each summer.
Origin
Mid 16th century: from French thon, via Latin from Greek thunnos.