Word: downburst
Part of speech: Noun
Syllables: down
burst
Definition: A powerful downward air current, especially one during a thunderstorm.
Morphemes:
Affix: down-
Language: en
PoS: Prefix
Meaning: lower position or direction, literally or figuratively.
Affix: burst
Language: en
PoS: Noun
Meaning: The explosion of a bomb or missile.