"constriction" in the noun sense
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
Source: WordNet® (An amazing lexical database of English)
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