lancaster

noun

1. the English royal family that reigned 1399–1461, descended from John of Gaunt (Duke of Lancaster), and that included Henry IV, Henry V, and Henry VI.Compare York(def 1).
2. a member of this family.
3. a city in Lancashire, in NW England.
4. a city in SE Pennsylvania.
5. a town in S California.
6. a city in central Ohio.
7. a town in N Texas.
8. a town in W New York.
9. Lancashire.

noun

1. a city in NW England, former county town of Lancashire, on the River Lune: castle (built on the site of a Roman camp); university (1964). Pop: 45 952 (2001)

noun

1. the English royal house that reigned from 1399 to 1461

Loncastre (1086) “Roman Fort on the River Lune,” a Celtic river name probably meaning “healthy, pure.” The Lancastrians in the War of the Roses took their name from their descent from John of Gaunt, Duke of Lancaster.