scum, refuse

DREGS
WordClue
CRUDDirt, filth or refuse
SCUMdregs, refuse
TRASHrefuse, waste
WASTErefuse, rubbish
RUBBISHrefuse, trash
SETTLINGdregs, scum
INCINERATORfurnace that burns refuse
ARTsculpture or dance
PORTHOLEscuttle