citrus aurantium(n = noun.plant) bigarade, bitter orange, bitter orange tree, marmalade orange, seville orange, sour orange - any of various common orange trees yielding sour or bitter fruit; used as grafting stock;
is a kind of orange, orange tree
has parts: bitter orange, seville orange, sour orange
is a member of genus citrus

candied citrus peel, citrus, citrus aurantifolia, citrus bergamia, citrus decumana, citrus fruit, citrus grandis, citrus limetta, citrus limon, citrus limonia, citrus maxima, citrus mealybug, citrus medica, citrus nobilis, citrus paradisi, citrus reticulata, citrus sinensis, citrus tangelo, citrus tree, citrus whitefly, genus citrus, scleroderma aurantium, tricholoma aurantium