Word: keyman
Part of speech: Noun
Syllables: key
man
Definition: An employee of vital importance to a business.
Morphemes:
Affix: key
Language: en
PoS: Adjective
Meaning: Indispensable, supremely important.
Affix: man
Language: en
PoS: Noun
Meaning: A person, usually male, who has duties or skills associated with a specified thing.