Sentence:  ... the gates themselves slowly parted, there appeared a large horse's head, with a plaited <WSD>forelock</WSD> under a decorated yoke, and slowly there rolled into the road a small cart, like those driven by horse-dealers, and higglers. 
Meaning of the word marked with <WSD> tags:  The part of a horse's (or similar animal's) mane that lies on its forehead.