Word: knucklebone
Part of speech: Noun
Syllables: knuck
le
bone
Definition: A die; suffer spiritual death; be damned (in the religious sense)
Morphemes:
Affix: knuckle
Language: en
PoS: Verb
Meaning: To touch one's forehead as a mark of respect.
Affix: bone
Language: en
PoS: Noun
Meaning: The framework of anything.