Definition of coulee
1a : a small streamb : a dry streambedc : a usually small or shallow ravine : gully
2 : a thick sheet or stream of lava
Origin and Etymology of coulee
Canadian French coulée, from French, flowing, flow of lava, from couler to flow, from Old French, from Latin colare to strain, from colum sieve
First Known Use: 1807See Words from the same year
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