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Noun: motion  mow-shun
  1. The use of movements (especially of the hands) to communicate familiar or prearranged signals
    - gesture
     
  2. A natural event that involves a change in the position or location of something
    - movement
     
  3. A change of position that does not entail a change of location
    "the reflex motion of his eyebrows revealed his surprise";
    - movement, move, motility
     
  4. A state of change
    "they were in a state of steady motion"
     
  5. A formal proposal for action made to a deliberative assembly for discussion and vote
    "he made a motion to adjourn";
    - question
     
  6. The act of changing location from one place to another
    "police controlled the motion of the crowd";
    - movement, move
     
  7. An optical illusion of motion produced by viewing a rapid succession of still pictures of a moving object
    "the cinema relies on apparent motion";
    - apparent motion, apparent movement, movement
Verb: motion  mow-shun
  1. Show, express or direct through movement
    "He motioned his desire to leave";
    - gesticulate, gesture

Derived forms: motioned, motioning, motions

See also: moving, nonmoving, unmoving

Type of: change, communicate, happening, intercommunicate, natural event, occurrence, occurrent, optical illusion, proposal, state, visual communication

Antonym: motionlessness

Encyclopedia: Motion, local