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}, {Chenopodium bonus-henricus}] 2: common weedy European plant introduced into North America; often used as a potherb [syn: {lamb's-quarters}, {pigweed}, {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}]