any of the many small, solid bodies travelling through outer space, which are seen as meteors when they enter the earth's atmosphere; a meteoroid (falling of which on the earth is believed to bring ill-fortune to the country).

(fig.) a man who brings calamity to the generation, his family or society.

productivity - a) the rate of production achieved or achievable, using a particular machine, a system of machineries or by an individual in a unit or factory or in a country, in general at macro level; efficiency of production; b) the capacity to produce either at micro or macro level; c) quantum of production.