tongue
nounIn man, the instrument of taste, and the chief instrument of speech; and in other animals, the instrument of taste. It is also an instrument of deglutition. In some animals, the tongue is used for drawing the food into the mouth, as in animals of the bovine genusOther animals lap their drink, as dogs. The tongue is covered with membranes, and the outer one is full of papillae of a pyramidical figure, under which lies a thin, soft, reticular coat perforated with innumerable holes, and always lined with a thick and white or yellowish mucus.