- a snake that kills its prey by coiling tightly around it, causing suffocation.
- a muscle that constricts a hollow part of the body, as the pharynx.
- a person or thing that constricts.
- any of various nonvenomous snakes, such as the pythons, boas, and anaconda, that coil around and squeeze their prey to kill it
- any muscle that constricts or narrows a canal or passage; sphincter
- a person or thing that constricts
