A sovnya (совня) is a traditional polearm used in Russia. Similar to the glaive, the sovnya had a curved, single-edged blade mounted on the end of a long pole. This was a weapon used by late-medieval Muscovite cavalry and it retained use until the mid-17th century. File:01 092 Book illustrations of Historical description of the clothes and weapons of Russian troops.jpg| File:RusVsad tegilay.gif| File:Sovn RusVsadnik.