- a stream of molten lava or a sheet of solidified lava
- ☆ Northwest a deep gulch or ravine, usually dry in summer
Origin: Fr coulée < couler, to flow < L colare, to strain: see colander
Used by arrangement with John Wiley & Sons, Inc.
- Western U.S. A deep gulch or ravine with sloping sides, often dry in summer.
- Louisiana & Southern Mississippi a. A streambed, often dry according to the season.b. A small stream, bayou, or canal.
- Upper Midwest A valley with hills on either side.
- a. A stream of molten lava.b. A sheet of solidified lava.
Origin: Canadian French coulée, from French, flow, from couler, to flow, from Latin cōlāre, to filter, from cōlum, sieve.