Definition of angle shades in US English:

angle shades

plural noun

  • treated as singular A European moth with wings patterned in muted green, red, and pink.

    Phlogophora meticulosa, family Noctuidae and other species

    • ‘The small angle shades moth is associated with this fern in the wild.’
    • ‘The angle shades is quite a common moth of gardens with very distinctive (as well as beautiful) markings and colouration.’