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.
c.1300, from Anglo-Fr. an cros "in a crossed position," lit. "on cross." Prepositional meaning "from one side to another" is first recorded 1590s; meaning "on the other side (as a result of crossing)" is from 1750. Phrase across the board originally from horse-racing, in reference to a bet of the same
amount of money on a horse to win, place, or show.