Ma'anar ƙamus na kalmar "jazz" wani nau'in kiɗa ne wanda ya samo asali a cikin al'ummomin Afirka na Amurka a ƙarshen karni na 19 da farkon 20th. Kiɗa na jazz yana da haɓaka ta hanyar haɓakawa, haɓakar raye-raye, da kuma jin motsi mai ƙarfi. Hakanan ana amfani da kalmar "jazz" don bayyana wani nau'in hali ko kuzari, wanda galibi yana hade da tashin hankali, rashin jin daɗi, da ƙirƙira.