It’s official: “muffin top” now has its own entry in the Concise Oxford English Dictionary. This week, we consider several new words, or new meanings of old words, that have found their way into the Concise OED. We also talk with writer Charlotte Brewer about how the OED tries to keep up with the ever-evolving English language. And we hear from two Americans who perform in foreign languages: the first is a singing ambassador, the second is rapper Y-Love. Listen here.