Ma'anar ƙamus na "Jaket ɗin Eton" yana nufin wani nau'in gajeren jaket ɗin da aka keɓance bisa ga al'ada da ake sawa a matsayin wani ɓangare na rigar a Kwalejin Eton, babbar makarantar samari a Ingila. Jaket ɗin Eton yawanci yana da tsayin tsayin kugu da ƙuƙumman abin wuya, kuma yawanci ana yin shi da ulu mai launin duhu ko tweed masana'anta. Sau da yawa ana sawa da rigar wando mai dacewa da wando da aka keɓe a matsayin ɓangaren rigar makaranta. A wajen Kwalejin Eton, jaket ɗin Eton kuma ya shahara a matsayin tufafi masu salo da na yau da kullun ga maza da samari, musamman na al'ada da bukukuwa.