dead-cat hole noun informal the space between the top of a car tyre and the body of the car

US models will have larger dead-cat holes than European ones. Cat lovers can gripe to the EPA,

[Car & Driver (US automotive magazine) Oct. 2013]

banking desert noun a neighbourhood or other area where there are no banks

From our member station WYSO, Lewis Wallace reports on a recent branch closure in Dayton, Ohio, that creates a banking desert nearly five miles wide.

[NPR: Morning Edition (US news and public affairs) 13 November 2013]

concierge medicine noun a sector of medical practice where extra attention is given to wealthy patients able to pay a high price

Members of the affluent classes routinely question the merits of doctors who do take insurance. […] This psychology, along with cost-cutting strategies pursued by insurance companies […] have driven the field of concierge medicine.

[New York Times (US broadsheet) 08 December 2013]