Meaning of REGULATION in English

REGULATION

n.1 the act or an instance of regulating; the process of being regulated.

2 a prescribed rule; an authoritative direction.

3 (attrib.) a in accordance with regulations; of the correct type etc. (the regulation speed; a regulation tie). b colloq. usual (the regulation soup).

Oxford English vocab.      Оксфордский английский словарь.