|Origin:||, past participle of restringere; RESTRAIN|
re‧strict S3 W3 [transitive]
to limit or control the size, amount, or range of something:
The new law restricts the sale of hand guns.
You may need to restrict access to certain files (=limit the number of people who can read them).
The agreement will restrict competition.
restrict something to something
In future we will restrict class sizes to 20 students.
to limit someone's actions or movements:
The cramped living conditions severely restricted the children's freedom to play.
to allow yourself to have or do only a particular thing or amount of something:
I'm restricting myself to two cigarettes a day.