crankpin

or crank pin

[krangk-pin]

noun Machinery.

a short cylindrical pin at the outer end of a crank, held by and moving with a connecting rod or link.

Compare web(def 11).

Origin of crankpin

First recorded in 1830–40; crank¹ + pin

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for crankpin

crankpin

noun

a short cylindrical bearing surface fitted between two arms of a crank and set parallel to the main shaft of the crankshaft

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012