
• (n.) A custom, as in some ancient boroughs, by which lands and tenements descend to the youngest son, instead of the eldest; or, if the owner have no issue, to the youngest brother.
Found on
http://thinkexist.com/dictionary/meaning/borough-english/

the English form of ultimogeniture, the system of undivided inheritance by which real property passed intact to the youngest son or, failing sons, to ...
Found on
http://www.britannica.com/eb/a-z/b/96
Bor'ough-Eng'lish noun (Eng. Law) A custom, as in some ancient boroughs, by which lands and tenements descend to the youngest son, instead of the eldest; or, if the owner have no issue, to the youngest brother.
Blackstone. Found on
http://www.encyclo.co.uk/webster/B/82

succession by the youngest (son)
Found on
http://www.msgb.co.uk/glossary.html

[
n] - a former English custom by which the youngest son inherited land to the exclusion of his older brothers
Found on
http://www.webdictionary.co.uk/definition.php?query=borough%20English
noun a former English custom by which the youngest son inherited land to the exclusion of his older brothers
Found on
https://www.encyclo.co.uk/local/20974

(formerly, in some parts of England) a custom by which the youngest son inherited the entire estate upon the death of his father.
Found on
https://www.infoplease.com/dictionary/borough-english
No exact match found.