1. [noun] The act of constricting, the state of being constricted, or something that constricts
2. [noun] A narrow part of something; a stricture
3. [noun] A compression
4. [noun] A narrowing that reduces the flow through a channel.
5. [noun] Tight or narrow compression.
6. [noun] 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'.
7. [noun] The action or process of compressing.
