chimney

noun

1. a vertical flue that provides a path through which smoke from a fire is carried away through the wall or roof of a building

Definition categories: man–made, flue

2. a glass flue surrounding the wick of an oil lamp

Definition categories: man–made, flue

verb

1. (climbing) To negotiate a chimney (sense #4) by pushing against the sides with back, feet, hands, etc.