Chinese Abacus. The abacus is first known in China from the Northern Song dynasty through the work of Shao Yong (1011-1077). Like many early inventions it is not clear precisely where it originally came from. Some say Central Asia; some Asia Minor and others China.
Snag(noun) a stump or base of a branch that has been lopped off; a short branch, or a sharp or rough branch; a knot; a protuberance. Snag(noun) a tooth projecting beyond the rest; contemptuously, a broken or decayed tooth.
Snake 1 (snÄk) n. pl. Snake or Snakes See Shoshone. Snake 2 (snÄk) n. See Hydra. snake (snÄk) n. 1. Any of numerous scaly, legless, sometimes venomous squamate reptiles of the suborder Serpentes (or Ophidia), having a long, tapering, cylindrical body and flexible jaws. 2. A treacherous person.