- the ancient Roman name of the island of Great Britain, especially the S part where the early Roman provinces were.
- the British Empire.
- Chiefly Literary.
- Great Britain.
- the United Kingdom of Great Britain and Ireland.
- the figure of a seated woman with trident and helmet used as a symbolic representation of Great Britain and the British Empire.
- a female warrior carrying a trident and wearing a helmet, personifying Great Britain or the British Empire
- (in the ancient Roman Empire) the S part of Great Britain
- short for Britannia coin
