Definition of tunas:
(n) :
Any of several species of fish of the genus Thunnus in the family Scombridae.
(n) :
The edible flesh of the tuna.
(n) :
The prickly pear, a type of cactus native to Mexico in the genus Opuntia.
(n) :
The fruit of the cactus.
(n) :
Various towns and (historical) former settlements in Sweden.
(n) :
(Maori mythology) A god, considered the son of Manga-wai-roa and source of eels.