crankpin

[krangk-pin] /ˈkræŋkˌpɪn/
noun, Machinery
1.
a short cylindrical pin at the outer end of a crank, held by and moving with a connecting rod or link.
Also, crank pin.
Compare web (def 11).
Origin
1830-40; crank1 + pin
British Dictionary definitions for crankpin

crankpin

/ˈkræŋkˌpɪn/
noun
1.
a short cylindrical bearing surface fitted between two arms of a crank and set parallel to the main shaft of the crankshaft