Word: jackman
Part of speech: Noun
Syllables: jack
man
Definition: A member of the pit crew responsible for lifting the car with a jack.
Morphemes:
Affix: jack
Language: en
PoS: Noun
Meaning: A mechanical device used to raise and (temporarily) support a heavy object, now especially to lift one side of a motor vehicle when (e.g.) changing a tyre.
Affix: -man
Language: en
PoS: Suffix
Meaning: Someone (possibly implied male) who is an expert in an area or who takes part in an activity.