¹ tongue noun

• the soft, movable part in the mouth that is used for tasting and eating food and in human beings for speaking
• the tongue of an animal (such as an ox or sheep) that is eaten as food
• language

² tongue verb

• to produce separate notes when you are blowing air through a musical instrument (such as a trumpet) by using your tongue to briefly stop the flow of air
• to touch or lick something with your tongue