1.a natural event that involves a change in the position or location of something
2.the use of movements (especially of the hands) to communicate familiar or prearranged signals
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
1.show, express or direct through movement;
He gestured his desire to leave