Ma'anar ƙamus na kalmar "ciki" shine sashin jiki tsakanin ƙirji da ƙashin ƙugu, wanda ya ƙunshi gabobin narkewa kamar ciki, hanji, hanta, da maƙarƙashiya, da kuma gabobin haihuwa da koda. Fagen jiki ne wanda aka fi sani da ciki ko ciki.
