constrict

verb3

1. •
   To narrow, especially by application of pressure.

   • constrict blood vessels
   • Clothing that is too tight can constrict blood flow.
2. •
   To coil around (prey) in order to asphyxiate it. (of a snake)

   • The snake began to constrict its prey.
3. •
   (figurative) To limit or restrict.