1A silver coin and unit of account, current from the late 16th to the mid 19th centuries in various European countries, especially the Netherlands, the Holy Roman Empire (and subsequently the Austrian Empire), Sweden, Denmark, and Scotland.
In Scotland, use was discontinued shortly after the Act of Union (1707).
2This coin used as a monetary unit in Dutch colonies, especially those under the control of the Dutch East India Company, or as the principal unit in Dutch colonial trade.
3Specifically in cases where the currency introduced by the Dutch East India Company was maintained in use for a period by the British government after a territory passed into British possession. In the Cape Colony.
Issued as a silver coin and later as a banknote. Officially withdrawn in 1841, but unofficial and notional use continued long after this time, especially in Dutch-speaking communities.
4In Ceylon (now Sri Lanka).
Late 16th century. From Dutch †rycksdaeler, †rijcxdaelder, †rijcksdaelder, †rijcksdaler, †rijcxdaler, †rycxdaelder, †rijckxdaeller, †rixdaelder, etc. (now rijksdaalder), denoting any of various silver coins and units of account used in various European countries, as well as in various former Dutch colonies, between the late 16th and mid 19th centuries from rijks-, †rijcks-, combining form of rijk, †rijck realm + daalder, †daelder, †daeler, †daler, probably after early modern German †reichsthaler (although the latter is apparently not attested until later).