'Wellington boot' definitions:

Definition of 'Wellington boot'

(from WordNet)
noun
(19th century) a man's high tasseled boot [syn: Hessian boot, hessian, jackboot, Wellington, Wellington boot]

Definition of 'Wellington boot'

From: GCIDE
  • Wellington boot \Wel"ling*ton boot\ [After the Duke of Wellington.] A riding boot for men, the front of which came above the knee; also, a similar shorter boot worn under the trousers. [Webster 1913 Suppl.]