Sentence:  It was more than enough for my fugitives to clear out of the Lausanne station and make some new move, to hide away in an out-of-the-way spot, <WSD>go to ground</WSD> in fact, or travel in another direction. 
Meaning of the word marked with <WSD> tags:  To hide from public view or sequester oneself, especially when authorities, members of the news media, or others are looking for one.