Flag, v. t. [From Flag an ensign.] 1. To signal to with a flag; as, to flag a train.
2. To convey, as a message, by means of flag signals; as, to flag an order to troops or vessels at a distance.
Webster's Dictionary 1913
Flag, v. t. [From Flag an ensign.] 1. To signal to with a flag; as, to flag a train.
2. To convey, as a message, by means of flag signals; as, to flag an order to troops or vessels at a distance.