Definition of allis shad in English:

allis shad


  • A European shad (fish) with a deep blue back and silvery sides.

    Alosa alosa, family Clupeidae

    • ‘In the early 19th century, allis shad made up a third of fish catches in the Severn (Britain's longest river).’
    • ‘The three species of endangered fishes are allis shad, Killarney shad and pollan.’
    • ‘The current status of allis shad in Northern Ireland is unknown and requires urgent investigation.’
    • ‘If allis shad were presently spawning in the area then they would likely be similarly vulnerable.’
    • ‘Other migratory fish are the twaite and very rare allis shads which migrate up the river to spawn in the spring.’


Late 16th century: allis from Old French alose, from late Latin alausa.


allis shad

/ˈalɪs ʃad/