definition of
constriction

[1] #1 constriction n. [bottleneck, chokepoint] a narrowing that reduces the flow through a channel. wn

[2] #2 constriction n. [coarctation] tight or narrow compression. wn

[3] #3 constriction n. [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". wn

[4] #4 constriction n. the action or process of compressing. wn