1. (

• motion ,
• movement ,
• move ,
• motility

) a change of position that does not entail a change of location; "the reflex motion of his eyebrows revealed his surprise"; "movement is a sign of life"; "an impatient move of his hand"; "gastrointestinal motility" ;

2. (

• motion ,
• movement ,
• move ,

) the act of changing location from one place to another; "police controlled the motion of the crowd"; "the movement of people from the farms to the cities"; "his move put him directly in my path" ;

3. (

• movement ,
• motion

) a natural event that involves a change in the position or location of something ;

4. (

• movement ,
• social_movement ,
• front

) a group of people with a common ideology who try together to achieve certain general goals; "he was a charter member of the movement"; "politicians have to respect a mass movement"; "he led the national liberation front" ;

5. (

• movement

) a major self-contained part of a symphony or sonata; "the second movement is slow and melodic" ;

6. (

• campaign ,
• cause ,
• crusade ,
• drive ,
• movement ,
• effort ,

) a series of actions advancing a principle or tending toward a particular end; "he supported populist campaigns"; "they worked in the cause of world peace"; "the team was ready for a drive toward the pennant"; "the movement to end slavery"; "contributed to the war effort" ;

7. (

• apparent_motion ,
• motion ,
• apparent_movement ,
• movement

) an optical illusion of motion produced by viewing a rapid succession of still pictures of a moving object; "the cinema relies on apparent motion"; "the succession of flashing lights gave an illusion of movement" ;

8. (

• bowel_movement ,
• movement ,
• bm

) a euphemism for defecation; "he had a bowel movement" ;

9. (

• drift ,
• trend ,
• movement

) a general tendency to change (as of opinion); "not openly liberal but that is the trend of the book"; "a broad movement of the electorate to the right" ;

10. (

• movement

) the driving and regulating parts of a mechanism (as of a watch or clock); "it was an expensive watch with a diamond movement" ;

11. (

• movement ,

) the act of changing the location of something; "the movement of cargo onto the vessel" ;