Sentence:  Away they went, and I was just wondering whether I should not do well to follow them, when up the lane came a neat little <WSD>landau</WSD>, the coachman with his coat only half-buttoned, and his tie under his ear, while all the tags of his harness were sticking out of the buckles. 
Meaning of the word marked with <WSD> tags:  A type of lightweight, four-wheeled carriage in which the front and back passenger seats face each other.