A Random

1. A roving motion; course without definite direction; lack of rule or method; chance.
2. (obsolete) Speed, full speed; impetuosity, force. [14^th-17th^c.] Synonyms: force, momentum, speed, velocity
3. (obsolete) The full range of a bullet or other projectile; hence, the angle at which a weapon is tilted to allow the greatest range. [16^th-19th^c.]
4. (figuratively, colloquial) An undefined, unknown or unimportant person; a person of no consequence. [from 20^thc.] Synonyms: rando, nobody, nonentity
5. (mining) The direction of a rake-vein.
6. (printing, historical) A frame for composing type.