plural of dollarbird

Eurystomus orientalis, a bird of the roller family, with distinctive blue coin-shaped spots on its wings.

(figuratively) A question that is very important and/or difficult to answer.

plural of million-dollar question

Alternative form of million-dollar question

(historical) A coin used in the early history of Prince Edward Island and New South Wales, made by punching the middle out of a Spanish dollar; the punched-out middle part was used as a smaller coin called a dump.

plural of holey dollar

Alternative form of ten-dollar word

plural of American dollar

plural of Carolus dollar