noun pl. chimneys -·neys

1. the passage through which smoke or fumes from a fire escape; flue
2. a structure containing a flue or flues and extending above the roof of a building
3. a glass tube set around the flame of a candle or lamp
4. something like a chimney; specif.,
   1. a narrow column of rock formed by erosion, esp. that caused by waves
   2. ☆ a vertical body of ore
   3. the vent of a volcano or cave
5. Chiefly Brit. a smokestack
6. Dialectal a hearth

Etymology: ME chimene, a fireplace < OFr cheminée < LL caminata, fireplace < L caminus, furnace, flue < Gr kaminos, oven, fireplace; ult. < ? IE base *kam, to arch > camera