溢洪道 yìhóngdào spillway Origin Definitions Defs Strokes Stroke Words Sentences Sents 溢 yì verb to overflow To flow over the edge of a container; to brim over; to leak out and be lost.洪 hóng noun flood A large flow of water caused by heavy rain or melting snow道 dào noun channel channel; conduit; passage (e.g. for water, air, or biological fluids)