The fleshy, movable, muscular organ, attached in most vertebrates to the floor of the mouth, that is the principal organ of taste, an aid in chewing and swallowing, and, in humans, an important organ of speech, The tongue of an animal, such as a cow, used as food, Speech or vocal sounds produced in a state of religious ecstasy, intransitive verb_ To provide (a board) with a tongue, To join by means of a tongue and groove, To project