Sentence:  Chicago's bid to host the 2016 <WSD>Olympic Games</WSD> received a boost yesterday when its most famous former resident, the American president, Barack Obama, ended months of speculation by announcing that he would fly to Copenhagen before Friday's vote, in order to lobby on the city's behalf. 
Meaning of the word marked with <WSD> tags:  An international multi-sport event (inspired by the ancient festival) taking place every fourth year. (from 19th c.)