great seal

noun

1. the principal seal of a government or state.
2. (initial capital letters) British.
   1. the Lord Chancellor, keeper of the principal seal of Great Britain.
   2. his office.

great seal

noun

1. often capitals the principal seal of a nation, sovereign, etc, used to authenticate signatures and documents of the highest importance

Word History and Origins

Origin of great seal¹

Middle English word dating back to 1350–1400

Example Sentences

He has also given them the highest level of teaching, called Mahamudra, a Sanskrit word for “great seal,” an advanced system of meditation.

From New York Times

Surprisingly, the default medium tips provided a great seal for me, even though I usually reach for the large tips right away.

From The Verge

Cuccinelli also courted controversy in 2010, as attorney general of Virginia, when he distributed lapel pins to his staff which featured a Confederate version of the state’s great seal.

From The Guardian

The cuff links bear the great seal of the United States.

From New York Times

In fact, the image on his pin was a copy of the great seal adopted by Virginia in 1861 after secession and used on battle flags of Confederate regiments.

From The Guardian