I. rein /reɪn/ noun
1. [countable usually plural] a long narrow band of leather that is fastened around a horse’s head in order to control it ⇒ bridle
2. Give (full/free) rein to something: to allow an emotion or feeling to be expressed freely:
● He gave free rein to his imagination.
3. Give somebody (a) free rein: to give someone complete freedom to do a job in whatever way they choose.
4. Keep a tight rein on somebody/something: to control something strictly:
● The finance director keeps a tight rein on spending.
5. Take/hand over the reins: to take or give someone control over an organization or country:
● Owens will officially take over the reins in a few weeks.
II. rein/ verb
1. To start to control a situation more strictly:
● The government is reining in public expenditure.
2. To make a horse go more slowly by pulling on the reins
I. reign /reɪn/ noun [countable]
1. The period when someone is king, queen, or emperor.
reign of
● changes that took place during Charlemagne’s reign.
2. The period when someone is in charge of an organization, team etc:
● during his reign at the Education Department
3. A period during which something is the most powerful or most important feature of a place.
reign of
● the reign of Stalinism in Russia
4. Reign of terror: a period when a ruler or a government kills many of their political opponents.
II. reign verb [intransitive]
1. To rule a nation or group of nations as their king, queen, or emperor:
● George VI reigned from 1936 to 1952.
reign over
● Pharaohs reigned over Egypt for centuries.
2. If a feeling or quality reigns, it exists strongly for a period of time:
● For several minutes confusion reigned.
3. Reigning champion: the most recent winner of a competition:
● Can he defeat the reigning Wimbledon champion?
4. Reign supreme: if someone or something reigns supreme, they are the most important part of a situation or time:
● It was a time when romance reigned supreme.