Definition of angel wings in US English:

angel wings

plural noun

  • treated as singular A white edible piddock found on the east coast of North America and in the West Indies.

    Barnea costata, family Pholadidae

    • ‘There is also a white species, P. porrigens, sometimes called angel wings or ‘savoury oyster’, which is much smaller, and thinner, but otherwise similar.’