DUCAT
ducat
(noun) formerly a gold coin of various European countries
Source: WordNet® 3.1
Etymology
Noun
ducat (plural ducats)
(historical) A gold coin minted by various European nations.
• William Shakespeare The Merchant of Venice
(informal) A coin of the major denomination (dollar, euro, etc.); money in general.
(US, theater, slang) A ticket.
Source: Wiktionary
Duc"at, n. Etym: [F. ducat, It. ducato, LL. ducatus, fr. dux leader
or commander. See Duke.]
Definition: A coin, either of gold or silver, of several countries in
Europe; originally, one struck in the dominions of a duke.
Note: The gold ducat is generally of the value of nine shillings and
four pence sterling, or somewhat more that two dollars. The silver
ducat is of about half this value.
Source: Webster’s Unabridged Dictionary 1913 Edition