Kalmar "dwarf itacen oak" tana nufin wani ɗan ƙaramin nau'in itacen oak. Kalmar "dwarf" a cikin wannan mahallin ana amfani da ita don kwatanta girman ko tsayin da bai wuce matsakaici ba, yayin da "oak" yana nufin kowane nau'i na bishiyoyi da yawa a cikin Quercus, wanda aka sani da kututtuka masu tsayi, manyan ganye, da acorns. Don haka "Oak itacen oak" shine kawai ƙaramin nau'in itacen oak wanda zai iya samun halaye iri ɗaya da manyan itatuwan oak, amma a cikin ƙaramin tsari.