younger

jr. adjective used of the younger of two persons of the same name especially used to distinguish a son from his father; `John Junior`; `John Smith, Jr.`
Found on https://www.encyclo.co.uk/local/20974

Younger

[title] Younger is a Scottish convention, style of address or description traditionally used by the Heir Apparent to:- 1. A current Laird (owner of a substantial and landed estate in Scotland) 2. Someone whose name includes a territorial designation (i.e. a family who were previously Lairds but who are no longer - this applies mainly to arm...
Found on http://en.wikipedia.org/wiki/Younger_(title)

Younger

Sibling, someone younger than you; someone you protect
Found on http://www.timwoods.org/the-london-slang-dictionary-project/

younger

[adj] - used of the younger of two persons of the same name especially used to distinguish a son from his father
Found on http://www.webdictionary.co.uk/definition.php?query=younger
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