Also found in: Thesaurus.
Related to tortoiseshell butterfly: Nymphalis polychloros, Large Tortoiseshell
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|Noun||1.||tortoiseshell butterfly - brilliantly colored; larvae feed on nettles|
brush-footed butterfly, four-footed butterfly, nymphalid, nymphalid butterfly - medium to large butterflies found worldwide typically having brightly colored wings and much-reduced nonfunctional forelegs carried folded on the breast