Definition from Wiktionary, the free dictionary
See also: wellington boots
Named after Arthur Wellesley, 1st Duke of Wellington, who wore and popularised a similar style of boot, if not made of rubber.
- (Britain) Waterproof rubber boots, intended to be worn in wet or muddy conditions. Short forms: wellies (singular welly or wellie)
Wellington boots is almost always used in the plural.
waterproof rubber boot