Sentence:  He turned from the flying trees to look ahead and saw with an inward boy 's eye again the great fieldstone house which , built on one of the many acres of ancestral land bordering the west harbor , had been Izaak 's bride-gift to his cousin <WSD>wife</WSD> as the last century ended . 
Meaning of the word marked with <WSD> tags:  a married woman; a man's partner in marriage