English Dictionary

flash

/flæʃ/

noun

A pool. / (engineering) A reservoir and sluiceway beside a navigable stream, just above a shoal, so that the stream may pour in water as boats pass, and thus bear them over the shoal.

I jumped into the flash and swam to the other side.

意味（1）

A pool.

their hearts lie lumpish as a Log that lies in a flash of water seven years together

意味（2）

(engineering) A reservoir and sluiceway beside a navigable stream, just above a shoal, so that the stream may pour in water as boats pass, and thus bear them over the shoal.