槽钢 cáogāng channel steel Origin Definitions Defs Strokes Stroke Words Sentences Sents 槽 cáo noun groove (bound form) a long, narrow channel, depression, or waterway; groove; slot; furrow; gutter; riverbed钢 鋼 gāng noun steel steel; an alloy of iron and carbon that is tougher than cast iron and harder than wrought iron