Definition of arowana
: any of several large, tropical, chiefly carnivorous freshwater fish (family Osteoglossidae and especially genera Osteoglossum and Scleropages) of South America, southeastern Asia, Australia, and Africa that have large bony scales, a toothed tongue, and a large mouth with an oblique gape ◆Arowanas have a laterally compressed body and are typically silvery white, gold, red, or green. In the wild, some arowanas may reach a length of four feet (1.2 meters) or longer but are usually smaller when kept as aquarium fish. —called also bonytongue, dragonfish — compare pirarucu
Variants of arowana
Origin and Etymology of arowana
borrowed from New Latin, specific epithet of Osteoglossum arowana (now O. bicirrhosum), borrowed from Guyanese Carib arawana “the fish Osteoglossum bicirrhosum” (or a like form in Macusi, Cariban language of southern Guyana and Brazil), borrowed, probably via Nheengatu (Tupi-based creole of Amazonia), from Tupi aruaná
First Known Use: 1925
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