watchcoatEtymologyFrom watch + coat; named for use while standing watch as a sailor, soldier, or police officer.nounSynonym of greatcoat.“In the middle of this I had my tent always standing, being a piece of a sail spread over poles, set up for that purpose, and which never wanted any repair or renewing; and under this I had made me a squab or couch, with the skins of the creatures I had killed, and with other soft things; and a blanket laid on them, such as belonged to our sea-bedding, which I had saved, and a great watch-coat to c”