constriction
nounUK /kənˈstrɪk.ʃən/
US /kənˈstrɪk.ʃən/
A constriction is a tight squeeze or a narrow spot that makes something smaller.
The snake's constriction around the branch kept it from falling.
OTHER MEANINGS
2. A feeling of tightness in the chest or throat.
He felt a constriction in his throat before speaking.
3. A narrow place in a tube or passage.
The constriction in the pipe slowed the water down.
4. The act of limiting or restricting something.
The new rules caused a constriction of free speech.