Plural of raincoat; waterproof or water-resistant coats worn to protect clothing from rain.
A compound word combining 'rain' (from Old English 'regn') and 'coat' (from Old French 'cote'). The modern raincoat emerged in the 19th century with industrial manufacturing.
The raincoat is a humble invention that shows how practical clothing drove fashion—waterproof fabrics didn't exist until the Industrial Revolution, so nobody even had a word for raincoat before the 1800s!
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