BO

UK: /ˌbiːˈəʊ/

Collins Concise English Dictionary © HarperCollins Publishers::

BO abbreviation

1. body odour
2. box office

WordReference Random House Learner's Dictionary of American English © 2025

B.O.,  an abbreviation of:

1. Informal Terms Informal. body odor.
2. Show Business box office.

b.o.,  an abbreviation of:

1. Business back order.
2. Show Business box office.

WordReference Random House Unabridged Dictionary of American English © 2025

B/o, [Accountableing.]

1. Business brought over.

B.O., 

1. Military Board of Ordnance.
2. Informal Terms body odor.
3. Show Business [Theat.] box office.

b.o., 

1. Business back order.
2. Show Business box office.
3. Business branch office.
4. Business broker's order.
5. Business buyer's option.

Collins Concise English Dictionary © HarperCollins Publishers::

bo, boh / bəʊ/ interjection

1. an exclamation uttered to startle or surprise someone, esp a child in a game

Collins Concise English Dictionary © HarperCollins Publishers::

b.o. abbreviation

1. back order
2. branch office
3. broker's order
4. buyer's option