Is “Chimney” a Scrabble word?

1.A vertical tube or hollow column used to emit environmentally polluting gaseous and solid matter (including but not limited to by-products of burning carbon or hydrocarbon based fuels); a flue.

2.The glass flue surrounding the flame of an oil lamp.

3.The smokestack of a steam locomotive.

1.To negotiate a chimney (narrow vertical cave passage) by pushing against the sides with back, feet, hands, etc.