Definition of wall brown in English:

wall brown

noun

  • A brown Eurasian butterfly with orange markings on the wings, which breeds on grasses.

    wall
    • ‘The wall brown or wall is a medium-sized brown butterfly with large, bright orange patches on the wings.’
    • ‘In the scrub, the last of the year's insects can be seen: late dragonflies include ruddy darters and migrant hawkers; and the last of the year's butterflies includes wall browns and small tortoiseshells.’
    • ‘I've shown the real wall brown on the right.’
    • ‘There is the smaller Northern wall brown L. petropolitana which is darker and smaller.’