This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. A hoisting device consisting of a chain suspended from or laid over a fixed, raised structure such as a beam, used to lift heavy objects, especially vehicle engines.

chainsaw    chainsaws    rainfall   

wine-cask    husking    reclin    spelling-book    mousie