Merriam-Webster's Collegiate® Dictionary, 11th Edition
CONFINE
I. noun
Etymology: Middle English, from Anglo-French or Latin; Anglo-French confines, plural, from Latin confine border, from neuter of confinis adjacent, from com- + finis end
Date: 15th century
1. plural something (as borders or walls) that encloses , scope 3 ,
2. restriction , prison ,
II. verb (confined; confining)
Date: 1523
intransitive verb border , transitive verb
1. to hold within a location, imprison , to keep within limits , see: limit confiner noun