WordNet (r) 3.0 (2006):

wild spinach
    n 1: European plant naturalized in North America; often
         collected from the wild as a potherb [syn: good-king-
         henry, allgood, fat hen, wild spinach, Chenopodium
         bonus-henricus]
    2: common weedy European plant introduced into North America;
       often used as a potherb [syn: lamb's-quarters, pigweed,
       wild spinach, Chenopodium album]
    3: leafy greens collected from the wild and used as a substitute
       for spinach
    4: leaves collected from the wild [syn: lamb's-quarter,
       pigweed, wild spinach]