From Longman Dictionary of Contemporary Englishdollardol‧lar /ˈdɒlə $ ˈdɑːlər/ ●●● S1 W2 noun [countable] 1 PECthe standard unit of money in the US, Canada, Australia, and some other countries, divided into 100 cents: symbol $ It cost three dollars. a ten-dollar bill You can pay in dollars or euros at the airport.2 → the dollar → you can bet your bottom dollar at bet1(6), → feel/look like a million dollars at million(4)
Examples from the Corpus
dollar• Fifteen dollars was clearly a low estimate.• I got ten from one of my grandmas and then I got a fifty dollar bill from my other grandma.• A newer model could save you hundreds of dollars a year.• He has millions and millions of dollars.• Many millions of dollars have flooded into new biotechnology companies in pursuit of interferon and other potential moneyspinners.• That surprised everybody, since the administration has lately tried to talk the dollar down.• Two dollars will take you half way across the city.Two seconds by the side of the road will get you a cab.• And, Mr Trittin notes, some of the buyers were large foreign financial firms, taking advantage of the weak dollar.From Longman Business Dictionarydollardol‧lar /ˈdɒləˈdɑːlər/ written abbreviation dol. noun [countable]1FINANCEthe name of the currency unit used in the United States, Australia, New Zealand, Hong Kong, Singapore, and some other countries. The symbol for the dollar is $Chewing gum importers face a fine of as much as 10,000 Singapore dollars (US$6,171).2a piece of paper money of this valueHe gave the guy a dollar.dollar bills3the dollarFINANCE the value of US money in relation to the money of other countriesThe yen rose again against the dollar.4the almighty dollar the idea that money is more important than any other thing, often used to criticize activities done only for profitresponsible executives who put public interest before the almighty dollar → see also half-dollarOrigin dollar (1500-1600) Dutch daler, from German joachimstaler, from Sankt Joachimsthal, name of a Bavarian town where the coins were first made 