1. (

• constriction ,
• bottleneck ,
• chokepoint

) a narrowing that reduces the flow through a channel ;

2. (

• constriction ,
• coarctation

) tight or narrow compression ;

3. (

• constriction ,
• tightness

) a tight feeling in some part of the body; "he felt a constriction in her chest"; "she felt an alarming tightness in her chest"; "emotion caused a constriction of his throat" ;

4. (

• constriction

) the action or process of compressing ;