Word: sitfast
Part of speech: Noun
Syllables: sit
fast
Definition: A callosity with inflamed edges, on the back of a horse, under the saddle.
Morphemes:
Affix: sit
Language: en
PoS: Noun
Meaning: Subsidence of the roof of a coal mine.
Affix: fast
Language: en
PoS: Adjective
Meaning: Not running or fading when subjected to detrimental conditions such as wetness or intense light; permanent.