Sentence:  They said nothing further, but tramped on in the growing darkness, past farm steadings, into the little village, through the silent churchyard where generations of the Pallisers lay, and up the beech <WSD>avenue</WSD> that led to Northrop Hall. 
Meaning of the word marked with <WSD> tags:  The principal walk or approach to a house which is withdrawn from the road, especially, such approach bordered on each side by trees; any broad passageway thus bordered.