From Longman Dictionary of Contemporary Englishgaitergai‧ter /ˈɡeɪtə $ -ər/ noun [countable usually plural] DCCa cloth or leather covering worn below the knee by men in the past, or now by walkers to keep their legs dry
Examples from the Corpus
gaiter• With his highly polished boots and gaiters, corduroy trousers and tweed jacket, he looked the epitome of authority.• The legs were clumsily encased in gaiters.• In the farmhouse he practised putting on the gaiters and found it a struggle.• Moderators still continue to wear the gaiters and lace when there is no rule to say they must.• These gaiters cover the whole boot and have a rubber rand which gives a watertight seal.• Yeti gaiters are made by Berghaus to fit their boots.Origin gaiter (1700-1800) French guêtre 