Word: yardbird
Part of speech: Noun
Syllables: yard
bird
Definition: A person who is imprisoned.
Morphemes:
Affix: yard
Language: en
PoS: Noun
Meaning: Any spar carried aloft.
Affix: bird
Language: en
PoS: Noun
Meaning: A prison sentence;  which mandates the minimum period be served in an institutional setting such as a prison followed by street time period of parole, supervised release or probation until the total sentence is completed