WordReference Random House Unabridged Dictionary of American English © 2017
journal box′, [Mach.]
  1. Mechanical Engineeringa box or housing for a journal and its bearing.
  • 1870–75

Collins Concise English Dictionary © HarperCollins Publishers::

journal box n
  1. a case enclosing or supporting a journal, often used as a means of retaining the lubricant

'journal box' also found in these entries:

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