Definition of polje in English:

polje

noun

Geology
  • 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.’

Origin

Late 19th century from Serbian and Croatian.

Pronunciation

polje

/ˈpɒljə/