A more thorough explanation:

Term: BW

Definition: BW is an abbreviation for "Bid Wanted".

Example: The trader received a BW message from a client who wanted to sell a large amount of bonds.

Explanation: In the financial industry, a "Bid Wanted" message is a request from a seller to potential buyers to submit bids for a security or asset. The example illustrates how a trader received a message from a client who wanted to sell a large amount of bonds and was looking for potential buyers to submit bids.