Ma'anar ƙamus na kalmar "palindrome" kalma ce, jumla, lamba, ko wasu jerin haruffa waɗanda ke karanta baya ɗaya kamar gaba. Watau kalma ce ko jimla da ta kasance iri ɗaya ko ana karanta ta daga hagu zuwa dama ko daga dama zuwa hagu. Wasu misalan kalmomin palindromic sun haɗa da "racecar," "matakin," da "deified," yayin da misalan kalmomin palindromic sun haɗa da "Mutum, tsari, canal, Panama!" da "Madam, ni Adamu."