Meaning : A narrowing that reduces the flow through a channel.
Synonyms : bottleneck, chokepoint
Meaning : Tight or narrow compression.
Synonyms : coarctation
Meaning : A tight feeling in some part of the body.
Example :
He felt a constriction in her chest.
She felt an alarming tightness in her chest.
Emotion caused a constriction of his throat.
Synonyms : tightness
Meaning : The action or process of compressing.