From the 16th century, the second estate was reorganised by the selection of Shire Commissioners: this has been argued to have created a fourth estate.
The "Second Estate" was the Nobility (those who fought = knights). It was common for aristocrats to enter the Church and thus shift from the second to the first estate.
Thesaurus Legend: Synonyms Related Words Antonyms. Noun: 1. second estate - the nobility in France and the peerage in Britain. Lords Temporal. estate of the realm, the three ...