#1 constriction n. [bottleneck, chokepoint] a narrowing that reduces the flow through a channel. wn
#2 constriction n. [coarctation] tight or narrow compression. wn
#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 constriction n. the action or process of compressing. wn
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