Main Entry: ¹gan·oid

Pronunciation: \ˈga-ˌnȯid\

Function: adjective

Etymology: ultimately from Greek ganos brightness; akin to Greek gēthein to rejoice — more at joy

Date: circa 1847

: of, having, or being fish scales consisting of bone and an outer shiny layer resembling enamel; also : relating to or being fish with ganoid scales