шашка

Etymology 1
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Noun

 * 1) checker, draughtsman a piece in a game of checkers/draughts
 * 2)  checkers/draughts board game
 * 3)  explosive charge, stick
 * 4)  smoke grenade
 * 5)  paving block

Etymology 2
A borrowing, compare to 🇨🇬.

Noun

 * 1)  Cossack sabre, Circassian sabre, shashka a type of guardless, lightly-curved sabre
 * 2)  rider, cavalryman