MUKLUK Meaning of MUKLUK in English [ 'mʌklʌk ]■ noun N. Amer. a high, soft boot that is worn in the American Arctic and is traditionally made from sealskin.OriginC19: from Yupik maklak 'bearded seal'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004