The term GOURD encompasses a variety of edible and inedible fruits and vegetables. PEPO is a type of gourd with a hard outer shell, such as a PUMPKIN or MELON. NOGGIN is a small, round gourd, usually used for decoration. CALABASH is a large, hard-shelled gourd, often used to make musical instruments. CITRON is a citrus fruit that is sometimes classified as a gourd. MELON is a sweet, juicy fruit that is also classified as a gourd. PUMPKIN is a large, round gourd with an orange outer shell. SQUASH is a type of gourd with a soft outer shell, such as a zucchini or acorn SQUASH. BEAN is a legume that is not classified as a gourd.