-C-

Cafeteria:
   Canteen 
('I'll meet you in the canteen for dinner Henry')

Call (on a phone):
    Ring 
('Give me a ring sometime Tim')

Camper, Trailer:
   Caravan

Can (of food, etc.):
    Tin

Candy:
    Sweets

(Car) Fender:
    Car Wing

(Car) Parking Lights:
    Side lights

Carpenter:
    Joiner

Cash Register:
    Till

Case (of Beer):
    Crate of Beer

Caught:
    'Nicked,' Caught
(Policeman to criminal just apprehended: "You're Nicked!")

Celluar Phone:
    Mobile Phone

CEO (Chief Executive Officer):   
    Managing Director

Cents:
    Pence, "P"
(The Daily Mail costs 35p)
See Money for more

Check (check "X" the boxes on the form):
    Tick

Checkers (game):
    Draughts

Checking Account:
    Current Account

Chief Justice of the Supreme Court:
    Lord High Chancellor, Lord Chancellor

Christmas Lights:
    Fairy Lights (!)

Chilly:
    Parky, Chilly 
('Ooh Margaret, it's a bit parky today isn't it? Do you think I'll need me jumper?')

Cigarette:
    Fag !!, Cigarette
('How much is a pack of fags down at the corner shop Robert?')

Cigarette Butt:
    Fag End !

Cleats (sports):
    Football Boots

Closet (built-in):
    Wardrobe

Clothes Dryer:
    Tumble Dryer

Collect-Call:
    Reverse-Charges

College:
    University, 'Uni'
(This a confusing word... American's go to university, but sometimes freely state "Oh, I went to college at the Universtiy of Michigan." The British would never say that. If you went to a university, you never refer to it as 'college,' it would be degrading to universities. They do have 'colleges' here though, but they're (generally) more like an advanced high school than a college..)

Comforter, Heavy Blanket:
    Duvet

Commercial (TV):
   Advert, Commercial

Consumer:
    Consumer, 'Punter'
(Jim to Rod: "I hope that new ad campaign will bring in the punters or we're both going to get the sack!")

Congress:
    Parliament (rough equivalent)

Contractor:
    Builder

Convertible (car):
   Convertible, Soft-Top

Cookies:
    Biscuits

Cookie Jar:
    Biscuit Barrel

Cords (electrical):
    Leads

Costume Party:
    Fancy Dress Party

Cotton Balls:
    Cotton Wool

Cotton Candy:
    Candy Floss

Couch, Sofa:
    Settee, Sofa

Counter-Clockwise:
    Anti-Clockwise

Coupon:
   Voucher
(The Brits aren't into coupon-clipping from the newspaper. They do have them, but are an occasional thing and they generally refer to them as vouchers)

Cramming, Studying (for a test, exam):
    Revision, 'Swot'
('Nigel has a lot of revision to do for his exams')
or
('Wayne had to do an all night swotting session for his database exam')
(A swot can also mean a brainy type person - [e.g., a bookworm or a teacher's pet ])

'Crap,' 'Sh*t,' and other words to mean terrible:
    'Rubbish,' 'Pants' (!)
('That new sitcom on the telly was pants!')

Crazy, Lunatic:
    Nutter, 'Off his Trolley'
('That bloke who just walked out of the pub was a real nutter')
or
('That bloke who just walked out of the pub was off his trolley')

Creek:
    Brook, Stream

Crosswalk, Pedestrian Crossing (without lights):
    Zebra Crossing (!!)

Crosswalk, Pedestrian Crossing (with lights):
    Pelican Crossing (!)

Crossing Guard (school):
    'Lollipop Lady'
(So called because of the large circular 'stop' sign they carry)

Crotch:
    Crutch

Cupcake:
    Fairy Cake !

Cupboard (walk-in, cool storage type):
    Larder 
(though generally a term used by the 'older' generations)

Cup (as in a male groin guard):
    Box 
('Don't forget your boxes' and shin pads for karate practice tomorrow lads')

- D -

'Damn!,' 'Confounded' - ('The damn TV just broke!'):
   'Bloody' 
('That bloody telly! It's brand new and already broken!')

Dead-End Road:
    Cul-De-Sac

Den:
    Study

Department (Government - e.g. Department of Defense):
    Ministry, e.g. Ministry of Defence
Except for a few exceptions such as: Department of State = the Foreign Office

Derby Hat:
    Bowler Hat

Dessert:
    Pudding, Sweet, Afters 
('What's for pudding Lynn?')

Detour:
    Diversion

Diapers:
    Nappies

Dinner, Supper:
    Tea
('What's for tea Karen? I'm starving.')
(*Dinner is also used of course, but for everyday eating time after work, the most common word used by the masses is, unfortunately, 'Tea.'   I hate the word myself....)

Dishwashing:
    Washing-Up

Dish Towel:
    Tea Towel

Divided Highway:
    Dual Carriageway

Doctor's Office:
    Doctor's Surgery

Downtown:
    City Centre

Dress (woman's):
    Dress, Frock

Dryer (clothes):
    Tumble Dryer

Drugstore, Pharmacy:
    Chemists, Pharmacy

Drunk (to get):
    'Pissed,' 'Bladdered,' 'Blotto' and numerous others. 
('Nigel got so pissed last night he didn't make it to work this morning')

Duplex:
    Semi-Detached House

Dumpster:
    Skip 
('Jack has enough rubbish in the cellar to fill a skip!')