Ma'anar ƙamus na "tarin kwalba" yana nufin rukuni ko kwalabe waɗanda aka tattara ko aka tattara don wata manufa ta musamman, kamar don nunawa, sake amfani da su, ko sake amfani da su. Hakanan yana iya komawa ga aikin tattara kwalabe a matsayin abin sha'awa ko kuma hanyar samun kuɗi ta hanyar shirye-shiryen fansa kwalban.
