pillow block

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noun Machinery.

a cast-iron or steel block for supporting a journal or bearing.

Origin of pillow block

First recorded in 1835–45
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for pillow block

pillow block


noun

machinery a block that supports a journal bearingAlso called: plummer block
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