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definitions

ob.

1

he died; she died.

Origin of ob.

1
From the Latin word obiit

ob.

2

incidentally.

Origin of ob.

2
From the Latin word obiter

ob.

3

oboe.
Meteorology. observation.

O.B.

or O/B.

opening of books.
ordered back.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for ob.

ob.

abbreviation for

(on tombstones) obiit
obiter
oboe

Word Origin for ob.

(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