n.

1. 統治；支配[U]
   The reign of a wise ruler benefits his country.

   賢明統治者的統治有益於他的國家。

2. 在位期間，統治時期[C]
   The American Revolution took place during the reign of George III.

   美國獨立戰爭發生在英王喬治三世統治時期。

vi.

1. 君臨；統治[（+over）]
   He reigned over the country for ten years.

   他統治這個國家達十年。

2. 支配；盛行，佔優勢
   Silence reigned everywhere.

   到處一片寂靜。

v.

1. rule as monarch.
2. [as adj. reigning] (of a sports player or team) currently holding a particular title.
3. prevail:
   confusion reigned.

n.

1. the period of rule of a monarch.
2. the period during which someone or something is predominant or pre-eminent.