/ ˌregjuˈleɪʃn; NAmE / noun , adjective
■ noun
1.
[ C , usually pl. ] an official rule made by a government or some other authority :
too many rules and regulations
fire / safety / building, etc. regulations
to comply with the regulations
Under the new regulations spending on office equipment will be strictly controlled.
the strict regulations governing the sale of weapons
2.
[ U ] controlling sth by means of rules :
the voluntary regulation of the press
■ adjective
[ only before noun ] that must be worn or used according to the official rules :
in regulation uniform