A flat-floored depression in a karstic region, especially in Slovenia, with steep enclosing walls and a covering of alluvium.‘The site is a karst depression, or polje, with a natural brook that vanishes into one big and several small ponors (swallow hole).’
- ‘The largest and most important among them is the large, fertile depression of Blatsko polje, which used to contain a periodic lake.’
Late 19th century from Serbian and Croatian.
Are You Learning English? Here Are Our Top English Tips