swale
Pronunciation:
/sweɪl/noun
Definitions
A low tract of moist or marshy land.
A long narrow and shallow trough between ridges on a beach, running parallel to the coastline.
A shallow troughlike depression that's created to carry water during rainstorms or snow melts; a drainage ditch.
A shallow, usually grassy depression sloping downward from a plains upland meadow or level vegetated ridgetop.