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oilcup

American  
[oil-kuhp] / ˈɔɪlˌkʌp /

noun

  1. a closed cup or can supplying lubricant to a bearing or bearings.


oilcup British  
/ ˈɔɪlˌkʌp /

noun

  1. a cup-shaped oil reservoir in a machine providing continuous lubrication for a bearing

"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

Etymology

Origin of oilcup

First recorded in 1840–50; oil + cup