Word: linchpin
Part of speech: Noun
Syllables: linch
pin
Definition: A pin inserted through holes at the end of an axle or shaft, so as to secure a wheel or shaft-mounted device.
Morphemes:
Affix: linchpin
Language: en
PoS: Noun
Meaning: A pin inserted through holes at the end of an axle or shaft, so as to secure a wheel or shaft-mounted device.