I. ˈtü-nə noun
Etymology: Spanish, from Taino
Date: circa 1555
1. : any of various flat-jointed prickly pears (genus Opuntia ) ; especially : one ( O. tuna ) of tropical America
2. : the edible fruit of a tuna
II. ˈtü-nə, ˈtyü- noun
( plural tuna or tunas )
Etymology: American Spanish, alteration of Spanish atún, modification of Arabic tūn, from Latin thunnus, from Greek thynnos
Date: 1881
1. : any of numerous large vigorous scombroid food and sport fishes (as an albacore or a bluefin tuna)
2. : the flesh of a tuna especially when canned for use as food — called also tuna fish