Usage note DBA often precedes the name under which a business operates that is not the legal name of the owner of the business, but a name sometimes called a fictitious name or trade name.
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.
a gadget; dingus; thingumbob.
a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.