n. 深谷, 小溪, 熔岩流

Coulee \Cou`lee"\ (k??`l?"), n. [F. coul['e]e, fr. couler to run
or flow.]
A stream; (Geol.) a stream of lava. Also, in the Western
United States, the bed of a stream, even if dry, when deep
and having inclined sides; distinguished from a ca[~n]on,
which has precipitous sides.
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