core out

empty - make void or empty of contents; "Empty the box"; "The alarm emptied the building"

gouge, rout - make a groove in

scollop, scallop - form scallops in; "scallop the meat"

hole - make holes in

suck in, draw in - draw in as if by suction; "suck in your cheeks and stomach"

scoop out - hollow out with a scoop; "scoop out a melon"

cavern, cavern out - hollow out as if making a cavern

cave, undermine - hollow out as if making a cave or opening; "The river was caving the banks"

dig, dig out - create by digging; "dig a hole"; "dig out a channel"

excavate - form by hollowing; "Carnegie had a lake excavated for Princeton University's rowing team"; "excavate a cavity"

core - remove the core or center from; "core an apple"