Sentence:  The local train was empty at midday. She changed at Yatton and caught a <WSD>stopper</WSD> into Bristol. There was an express calling at Exeter which left Bristol at twelve-forty-five and she caught it by the skin of her teeth. 
Meaning of the word marked with <WSD> tags:  A train that calls at all or almost all stations between its origin and destination, including very small ones.