Sentence:  The lady, it is said, will inherit a fortune of three hundred pounds a year, with two cool thousands left by an uncle, on her arriving at the age of twenty-one, of which she <WSD>wants</WSD> but a few months. 
Meaning of the word marked with <WSD> tags:  To lack and be in need of or require (something, such as a noun or verbal noun). (from 15th c.)