Word: dolines
Part of speech: Noun
Syllables: do
lines
Definition: Plural of doline;  is a depression or hole in the ground caused by some form of collapse of the surface layer
Morphemes:
Affix: doline
Language: en
PoS: Noun
Meaning: Any sinkhole; a depression in the ground communicating with a subterranean passage (especially in limestone) and formed by solution or by collapse of a cavern roof
Affix: -s
Language: en
PoS: Suffix
Meaning: Used to form many pluralia tantum (nouns that are almost or entirely without singular forms).