Word: undercast
Part of speech: Noun
Syllables: un
der
cast
Definition: An air-passage crossing a road in a mine by means of an airtight box or channel beneath it.
Morphemes:
Affix: under-
Language: en
PoS: Prefix
Meaning: Under (in any sense): insufficient, insufficiently, below what is correct; subordinate to; beneath or behind.
Affix: cast
Language: en
PoS: Noun
Meaning: Something which has been thrown, dispersed etc.