/ ˈwelɪŋtən; NAmE / (also ˌwellington ˈboot , informal welly ) (all BrE ) ( NAmE ˌrubber ˈboot ) noun
one of a pair of long rubber boots, usually reaching almost up to the knee, that you wear to stop your feet getting wet :
a pair of wellingtons
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WORD ORIGIN
early 19th cent.: named after the 1st Duke of Wellington , Arthur Wellesley (1769-1852).