|Origin:||daler, from German joachimstaler, from Sankt Joachimsthal, name of a Bavarian town where the coins were first made|
dol‧lar S1 W3 [countable]
the 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.
the value of US money in relation to the money of other countries:
The pound has risen against the dollar (=increased in value in relation to the dollar).