Sentence:  He invited Mr. Case to <WSD>stop</WSD> by to say hello if he ever visited the academy and then added that he was on the managerial staff of the freshman football team `` We have just returned from Roswell , N. M. , where we were defeated , 34 to 9 '' , the young man noted . 
Meaning of the word marked with <WSD> tags:  interrupt a trip