/hoohz/, pron.1. (the possessive case of who used as an adjective): Whose umbrella did I take? Whose is this one?2. (the possessive case of which used as an adjective): a word whose meaning escapes me; an animal whose fur changes color.3. the one or ones belonging to what person or persons: Whose painting won the third prize?[bef. 900; ME whos, early ME hwas; r. hwas, OE hwaes, gen. of hwa WHO]Usage. Sometimes the phrase of which is used as the possessive of which: Chicago is a city of which the attractions are many or Chicago is a city the attractions of which are many. The use of this phrase can often seem awkward or pretentious, whereas WHOSE sounds more idiomatic: Chicago is a city whose attractions are many.
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