reign reign /ˈreɪn/

noun

1. () A period during which something or somebody is dominant or powerful  ( reign )
   a period during which something or somebody is dominant or powerful
    He was helpless under the reign of his egotism
   he was helpless under the reign of his egotism
   
2. Royal authority; the dominion of a monarch  ( reign , sovereignty )
   royal authority; the dominion of a monarch
   
3. The period during which a monarch is sovereign  ( reign )
   the period during which a monarch is sovereign
    During the reign of Henry VIII
   during the reign of Henry VIII
   

verb

1. () Have sovereign power  ( reign )
   have sovereign power
    Henry VIII reigned for a long time
   Henry VIII reigned for a long time
   
2. () Be larger in number, quantity, power, status or importance  ( reign , predominate , rule , dominate , prevail )
   be larger in number, quantity, power, status or importance
    Money reigns supreme here
   Money reigns supreme here
    Hispanics predominate in this neighborhood
   Hispanics predominate in this neighborhood