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.
Wiktionary(0.00 / 0 votes)Rate this definition: lug(Noun) A lug nut. lug(Noun) A device for terminating an electrical conductor to facilitate the mechanical connection; to the conductor it may be crimped to form a cold weld, soldered or have pressure from a screw.