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ob.1

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  1. he died; she died.
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Origin of ob.1

From the Latin word obiit

ob.2

  1. incidentally.
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Origin of ob.2

From the Latin word obiter

ob.3

  1. oboe.
  2. Meteorology. observation.
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O.B.

or O/B.

  1. opening of books.
  2. ordered back.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for ob.

ob.

abbreviation for
  1. (on tombstones) obiit
  2. obiter
  3. oboe
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Word Origin

(for sense 1) Latin: he (or she) died; (for sense 2) Latin: incidentally; in passing
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