Ma’anar ƙamus na kalmar “matattu” tana nufin gaɓar jikin mutum ko dabba da ya mutu kuma ba ya raye. Kalma ce da aka yi amfani da ita don kwatanta marar rai, jiki mara kuzari wanda ba ya raye ta hanyar muhimman ayyuka da ke raya rayuwa. Kalmar “gawa” kuma ana yawan amfani da ita azaman ma’anar “gawa”. Yawancin gawawwaki yana ƙarƙashin ƙa'idodin al'adu, addini, da doka.
