tu·na

/ˈtuːnə, Brit ˈtjuːnə/ noun, pl tuna also tunas

1 [count] : a large fish that lives in the ocean and is eaten as food

2 [noncount] : the meat of a tuna that is eaten as food

a can of tuna

We ordered grilled/blackened tuna for dinner.

canned/fresh tuna

— often used before another noun

tuna steaks

a tuna casserole

tuna salad

; called also tuna fish