A wood or bamboo-made flute, it is a tubular-shaped instrument with some small 6 or 7 holes on the surface. You can play it by blowing across its opening. Some platform has an ornament on the flute. It is a new emoji that belongs to Emoji 15.0 released in September 2022.
🪈 generally means flute itself, or instrument, music. It can also be used to describe a person has a melodious voice. Since its particular shape and you need to make sounds by blowing it, the flute emoji can have hidden sexual meanings too. Related emojis:
🌬😙😗🎺🎷