Noun
wastebin (plural wastebins)
A wastebasket; a bin used for household or office waste.
Major " wastebin " families such as the Old World warblers and Old World babblers have turned out to be paraphyletic and are being rearranged. Source: Internet
The relationships of many fish in this family in particular species traditionally placed in the Tetragonopterinae, which had become something of a " wastebin taxon " are poorly known, a comprehensive phylogenetic study for the entire family is needed. Source: Internet