Entry 1 sense Webster, 1913 Goosefoot /go͞os'-fo͝otˌ/ · Goose·foot · IPA /ˈɡuːsfʊt/ 01 n. A genus of herbs (Chenopodium) mostly annual weeds; pigweed. 1. A genus of herbs (Chenopodium) mostly annual weeds; pigweed.(Bot.)