Definition of "flag station" [flag station]

• A station at which trains do not stop unless signaled to do so, by a flag hung out or waved. (noun)

Gnu Collaboartive International Dictionary of English: licensed under The Code Project Open License (CPOL)

• "This I cannot vouch for, but I do know that he has often put himself to the inconvenience of standing for hours at some secluded flag station in order to slyly board a train at its foremost end and sneak back to the sleeper to loook for irregularities to report."