Sentence:  We expressed our readiness, and in ten minutes were in the station wagon, rolling rapidly down the <WSD>long</WSD> drive, for it was then after nine. We passed on the way the van of the guests from Asquith. 
Meaning of the word marked with <WSD> tags:  (lengthy) Having much distance from one terminating point on an object or an area to another terminating point (usually applies to horizontal dimensions; see Usage Notes below).