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 <WSD>many</WSD> acres of ancestral land bordering the west harbor , had been Izaak 's bride-gift to his cousin wife as the last century ended . 
Meaning of the word marked with <WSD> tags:  a quantifier that can be used with count nouns and is often preceded by `as' or `too' or `so' or `that'; amounting to a large but indefinite number