1) Coat 2) Got a crate out for garment 3) Heavy outer garment 4) Heavy outerwear 5) Heavy winter clothing 6) Heavy winter garb 7) Outerwear for Sherlock Holmes 8) Overcoat 9) Topcoat Found on https://www.crosswordclues.com/clue/greatcoat
A greatcoat, also known as a watchcoat, is a large overcoat typically made of wool designed for warmth and protection against the weather. Its collar and cuffs can be turned out to protect the face and hands from cold and rain, and the short cape around the shoulders provides extra warmth and repels rainwater (if made of a waterproof material). It... Found on http://en.wikipedia.org/wiki/Greatcoat