While the Chinese may not have invented the abacus, we may have received the modern look of an abacus from China. The First Abacus As far back as the Sumarian culture in Mesopotamia (2700 â 2300 BCE), and possibly before, tools were used for counting.
Noun. 1. snare drum-a small drum with two heads and a snare stretched across the lower head. side drum, snare. drum, membranophone, tympan-a musical percussion instrument; usually consists of a hollow cylinder with a membrane stretched across each end.
A snare is a series of wires or cables that run across the diameter of the bottom head. In addition to snares, every snare drum has a mechanism or switch to put tension on the snares so that they rub up against the bottom head. This mechanism is called the throw-off or strainer..