Ma'anar ƙamus na "tatsuniya" wani nau'in labari ne, yawanci ga yara, wanda ya shafi halittun sihiri ko na tunani kuma galibi darasi ne na ɗabi'a. Tatsuniyoyi sukan haɗa da abubuwa kamar mayu, dabbobi masu magana, dazuzzuka masu sihiri, da sarakuna da sarakuna. Waɗannan labaran galibi suna da kyakkyawan ƙarshe, tare da jaruma ko jarumar sun shawo kan cikas da cimma burinsu. Misalan tatsuniyoyi na al'ada sun haɗa da "Cinderella," "Snow White and the Seven Dwarfs," da "Little Red Riding Hood."