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Book Glossary

motion

Dictionary definition · motion

noun

  1. the use of movements (especially of the hands) to communicate familiar or prearranged signals
  2. a natural event that involves a change in the position or location of something
  3. a change of position that does not entail a change of location"the reflex motion of his eyebrows revealed his surprise"
  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"
  6. the act of changing location from one place to another"police controlled the motion of the crowd"
  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"

verb

  1. show, express or direct through movement"He gestured his desire to leave"

Similar words

gesturegesticulatemovementmotilitymovequestionapparent motionapparent movement

Source: Open English WordNet (CC BY 4.0).