Sentence:  I do remember a great thron in Yatton field near Bristow-way, against which Sir William Waller's men made a great fire and killed it. I think the stump remains, and was a <WSD>mark</WSD> for travellers. 
Meaning of the word marked with <WSD> tags:  A stone or post used to indicate position and guide travellers. (from 14th c.)