back order.
box office.
branch office.
broker's order.
buyer's option.


Board of Ordnance.
Informal. body odor.
Theater. box office.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for b.o.


abbreviation for

back order
branch office
broker's order
buyer's option
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

Word Origin and History for b.o.

abbreviation of body odor, by c.1950; an advertisers' invention.

Online Etymology Dictionary, © 2010 Douglas Harper