trench Synonyms

entrench encroach impinge ditch sewer rut rabbet pit pipe palisade rille gutter hole hollow indentation infringe intrenchment mink moat murage slotted spillway mineshaft entrenchment oceanic abyss Holes septic tank slit trench entrenched pits canalize raincoat watercourse strath sulcus trough valley waterway abyssal zone air-raid shelter anorak grooves gully gulch dale dado cutaway cut culvert crowfoot