Definition of gwyniad in English:



  • A powan (fish) of a variety occurring only in Bala Lake in North Wales.

    • ‘The lake is inhabited by the gwyniad, a white fish of the salmon family unique to Llyn Tegid.’
    • ‘The gwyniad, which dates back to the Ice Age and is described as similar to a herring, lives in Llyn Tegid near Bala.’
    • ‘Raw trout or gwyniad are layered in a container of salt and sugar.’
    • ‘Basically, the gwyniad was left behind when the Ice Age ended and has been lake-locked at Bala ever since.’
    • ‘This small, aggressive fish congregates around the gwyniad spawning areas and eats the eggs and young fish.’


Early 17th century: Welsh, from gwyn ‘white’.