решка

Etymology
From, from , likely referring to the design of 5 kopeck copper coins in the 1720s (Fig. 2), or perhaps to the earlier silver kopeck coins.

Noun

 * 1)  sieve
 * Просей зерно через решку.
 * 1)  tails the side of a coin not bearing a coat of arms

Usage notes

 * The terms and  are applicable only to coins which, like Russia's coinage, have a coat of arms on one side and something else (e.g. the portrait of the head of state or the value of the coin) on the other. The terms  and  are more universally applicable, but used mainly in numismatics.