| − | A '''tail''' is the rear portion of an [[aircraft]], or the flexible appendage at the rear of an [[animal]]. In some animals, such as [[monkey|monkeys]], the tail is [[prehensile]], which means that it responds to touch and can be used to grab or hold objects. | + | A '''tail''' is the rear portion of an [[aircraft]], or the flexible appendage at the rear of an [[animal]]. In some animals, such as [[monkey]]s, the tail is [[prehensile]], which means that it responds to touch and can be used to grab or hold objects. |