槽孔 Traditional form: 槽孔 Pinyin (reading): cáokǒng Definitions: slot groove slotted hole Characters: 槽 - trough, manger; vat, tank; distillery 孔 - opening, hole, orifice; great Traditional characters: 槽 - trough, manger; vat, tank; distillery 孔 - opening, hole, orifice; great