Ma'anar ƙamus na kalmar "kashewa" ita ce aikin rugujewa, shafewa, ko kawar da wani abu gaba ɗaya, musamman yawan jama'a, jinsi, ko kwayoyin halitta, sau da yawa ta hanyar tashin hankali ko tashin hankali. Hakanan ana iya komawa ga tsarin cirewa ko yanke wani sashe na jiki, kamar ciwace-ciwacen daji ko gabobi, ta hanyar tiyata ko wasu hanyoyin kiwon lafiya.
