dollarfish

[ dol-er-fish ]

noun

, plural (especially collectively) dol·lar·fish, (especially referring to two or more kinds or species) dol·lar·fish·es.

1. butterfish.
2. moonfish.

dollarfish

/ ˈdɒləˌfɪʃ /

noun

1. any of various fishes that have a rounded compressed silvery body, esp the moonfishes or the American butterfish

Word History and Origins

Origin of dollarfish¹

First recorded in 1840–50; so called because of its roundish shape and silvery color