Question: is polka dot an adjective?
Answer: From Longman Dictionary of Contemporary EnglishRelated topics: Clothes & fashion ˈpolka dot noun [countable] one of a number of round spots that form a pattern, especially on cloth used for clothing a white scarf with red polka dots —polka-dot adjective a polka-dot dressExamples from the Corpuspolka dot• The Fifties ...