From WordNet (r) 3.0 (2006):
sorrel adj 1: of a light brownish color [syn: sorrel, brownish- orange] n 1: any plant or flower of the genus Oxalis [syn: oxalis, sorrel, wood sorrel] 2: any of certain coarse weedy plants with long taproots, sometimes used as table greens or in folk medicine [syn: dock, sorrel, sour grass] 3: East Indian sparsely prickly annual herb or perennial subshrub widely cultivated for its fleshy calyxes used in tarts and jelly and for its bast fiber [syn: roselle, rozelle, sorrel, red sorrel, Jamaica sorrel, Hibiscus sabdariffa] 4: large sour-tasting arrowhead-shaped leaves used in salads and sauces [syn: sorrel, common sorrel] 5: a horse of a brownish orange to light brown color