confine
con-fine
verb
To keep someone or something within certain limits or a specific area.
"They will confine the dog to the kennel."
noun
(Usually plural) The boundaries or limits of a space, area, or subject.
"He stayed within the confines of the house."
Thesaurus
Synonyms: limit, trammel, restrict, bound, throttle, detain, constrain, hold, restrain, enclose, hold in