Sentence:  There are <WSD>many</WSD> types of ambiguity and many of them have been described by rhetoricians under such names as amphibology , parisology , and other ologies . 
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