noun

• (uncountable) A state of progression from one place to another.
  "Several parties of hop-pickers joined the train at the intermediate stations, and the guard performed the acrobatic feat of walking along the footboards of the coaches to examine tickets, while the train was in motion."
• (countable) A change of position with respect to time.
  "This is the great wheel to which the clock owes its motion."
• (physics) A change from one place to another.
  "Secondly, When a body is once in motion it will continue to move forever, unless something stops it. When a ball is struck on the surface of the earth, the friction of the earth and the resistance of the air soon stop its motion."
• (countable) A parliamentary action to propose something. A similar procedure in any official or business meeting.
  "The motion to amend is now open for discussion."

verb

• (proscribed) To introduce a motion in parliamentary procedure.