Flue

Part of speech: noun (n.)

1. An inclosed passage way for establishing and directing a current of air, gases, etc.; an air passage; esp.:

2. A compartment or division of a chimney for conveying flame and smoke to the outer air.

3. A passage way for conducting a current of fresh, foul, or heated air from one place to another.

Part of speech: noun (n.)

Light down, such as rises from cotton, fur, etc.; very fine lint or hair. Dickens.