any marine bivalve mollusk of the genus Macrocallista, especially M. nimbosa, having a smooth, thick, rounded shell marked with violet-brown or lilac spots or streaks.
lady crab. a brightly speckled swimming crab, Ovalipes ocellatus, of sandy beaches along the Atlantic coast of the U.S.
a Brazilian woody vine, Aristolochia elegans, of the birthwort family, having large, solitary, white-spotted, purple flowers.
dressed in calico. Historical Examples Daisy’s Necklace Thomas Bailey Aldrich Whirligigs O. Henry