The term 'Big Citrus Fruit' can be used to describe a variety of fruits, including the POMELO (6 letters), ugli (4 letters), ADE (3 letters), LEMON (5 letters), LIME (4 letters), TANGELO (7 letters), and ORANGE (6 letters). The POMELO is a large citrus fruit that is similar in appearance to a grapefruit, but sweeter and less acidic. The ugli is a hybrid of an ORANGE, grapefruit, and tangerine, and has a thick, bumpy skin. An ADE is a type of citrus-flavored soft drink. Lemons are small, yellow fruits with a sour taste. Limes are small, green fruits with a tart flavor. Tangelos are a hybrid of a tangerine and a grapefruit, and have a sweet-tart flavor. Oranges are round, ORANGE fruits with a sweet flavor.