Word: sideman
Part of speech: Noun
Syllables: side
man
Definition: Somebody who is unimportant or irrelevant.
Morphemes:
Affix: side
Language: en
PoS: Noun
Meaning: An unjustified air of self-importance.
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.