Wordnet polsko-angielski
(a depression in the ground communicating with a subterranean passage (especially in limestone) and formed by solution or by collapse of a cavern roof)
sinkhole, sink, swallow hole
synonim: lejek krasowy
synonim: wertep krasowy
synonim: werteb krasowy
Nowoczesny słownik polsko-angielski
sinkhole