Definitions

1. 1.Red złoty (gold coin with an international circulation)
2. 2.chervonets (any of several former currencies of Russia: applied to various foreign gold coins prior to the reign of Peter I of Russia, then to a Russian gold coin of 1701-1757, and finally to a 1922 currency of the Soviet Union)
3. 3.decade in a gulag (sentence of ten years of hard labor in Soviet labor camps)
4. 4.redshank (Ceratodon purpureus)