What does abroad mean?
The definition of abroad
A*broad”, adv.
Etym: [Pref. a- + broad.]

1 At large; widely; broadly; over a wide space; as, a tree spreads its branches abroad. The fox roams far abroad. Prior.
2 Without a certain confine; outside the house; away from one’s abode; as, to walk abroad. I went to St. James’, where another was preaching in the court abroad. Evelyn.
3 Beyond the bounds of a country; in foreign countries; as, we have broils at home and enemies abroad. “Another prince . . . was living abroad.” Macaulay.
4 Before the public at large; throughout society or the world; here and there; widely. He went out, and began to publish it much, and to blaze abroad the matter. Mark i. 45. To be abroad. (a) To be wide of the mark; to be at fault; as, you are all abroad in your guess. (b) To be at a loss or nonplused.