Learn how to say Reign correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word reign:
hold royal office; rule as monarch:
Queen Elizabeth reigns over the UK
be the best or most important in a particular area or domain:
in America, baseball reigns supreme
(of a quality or condition) be the dominant feature of a situation or place:
the period of rule of a monarch:
the original chapel was built in the reign of Charles I
the period during which someone or something is predominant or pre-eminent:
she was hoping for a long reign as world champion
Middle English: from Old French reignier ‘to reign’, reigne ‘kingdom’, from Latin regnum, related to rex, reg- ‘king’
The correct idiomatic phrase is a free rein, not a free reign; see rein (usage).