1. a monetary unit of Russia and some former Soviet republics, equal to one hundredth of a ruble

Examples

• The price was listed as 50 rubles and 75 copecks.
• He found an old copeck coin in his grandfather’s collection.
• The exchange rate showed that one dollar equaled several hundred copecks.
• Street vendors would accept payment in copecks for small items.
• The museum displayed historical copeck coins from different eras.
• She counted her change carefully, separating the rubles from the copecks.