doline

Noun

A depression (basin, hollow) in karstic terrain/limestone.
Any sinkhole.

Origin / Etymology

From a Slavic (most likely Russian or Slovene) word dolina ("valley"), perhaps via German Doline.

Scrabble Score: 7

doline: not valid in Scrabble (US) TWL Dictionary
doline: not valid in Scrabble (MW) Merriam-Webster Dictionary
doline: valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 9

doline: valid Words With Friends Word