American Heritage Dictionary
(2)
Century Dictionary
(4)
GNU Webster's 1913
(1)
WordNet
(2)
Elsewhere on the web
In fact, one of R&B's biggest names, Akon, is so strongly associated with hip-hop that he's sometimes mistakenly referred to as a rapper.— Westword | Complete Issue
As for the elaborate and form-fitting costumes she will wear on the show, the rapper should be a perfect fit.— Black Entertainment : Black News : Urban News : Hip Hop News - EURweb.com
(There was some chatter in the club that the rapper is her Brenda's new beau and he apparently missed his flight to Vegas to join her in the festivities.)— FOXNews.com
Heading into Monday night's show, the rapper was a +1000 long shot with a payout potential of $100 for every $10 bet or $1000 for every $100 bet at— Gambling911.com RSS News Feed
After selling-out one show at the HMV Hammersmith Apollo, the rapper is returning for a second night at the same venue on July 7th.— Angry Ape

Century Dictionary (1)
Bubble size: how much this word was used in a year
Bubble height: used more or less than expected, vs. all uses evenly distributed
You can expect to see this word about twice a week.