囱 cōng chimney
How it came to be
An opening in a wall or roof with a lattice drawn across it, to let smoke out and keep animals from getting in. The bars are the whole difference between this and a plain hole.
How it is used
- Appears only in 烟囱 (yāncōng) - a chimney/smokestack. 工厂的烟囱 (gōngchǎng de yāncōng) the factory chimney.
- Don't confuse the character with 窗 (chuāng, window).