pirarucu

[ pi-rahr-uh-koo ]
/ pɪˈrɑr əˌku /

noun

the arapaima.

Origin of pirarucu

1830–40; < Portuguese < Tupi pirá-rucú literally, red fish
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019