Sentence:  Jack then placed himself on the opposite side of the pit, farthest from the giant's lodging, and, just at the break of day, he put the horn to his mouth, and blew, <WSD>Tantivy</WSD>, <WSD>Tantivy</WSD>. This noise roused the giant. 
Meaning of the word marked with <WSD> tags:  The sound of a hunting horn in imitation of a galloping horse