dba
noun
Definitions
An alias of a business entity.
Example: His company has done business under a succession of dbas because he can't settle on a good name.
A business doing business under such an alias.
Example: Many dbas have used that mailbox service.
preposition
Definitions
Doing business as; used to indicate the public alias of a business legally constituted under a different name
Example: His company is "Simon Enterprises, Inc. (2007)", dba "Simon's Party Spot".