coulée noun. [ku:'leɪ, 'ku:li] Also coulee, (sense 1) *coulie ['ku:li]. E19.
[French = (lava) flow, from Latin colare filter, strain, (in Proto-Romance) flow, from cōlum strainer.]
1. (The bed of) an intermittent stream; a dry valley; a gulch or valley with steep sides. N. Amer. dial. E19.

2. Geology. A stream of molten or solidified lava. M19.

[TahlilGaran] English Dictionary ▲