Santa Comes Down This at Christmas
Puzzle 18 of Countdown to 2020 Piece of Cake Pack
Question is: Santa Comes Down This at Christmas
and the answer is: CHIMNEY
Word Meaning:
CHIMNEY — 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.
Definitions from Wiktionary.