Undefined English word "jg" in Wolfram DictionaryLookup / WordData?

Questions
,
1

Does anyone know what the word “jg” in the Wolfram English DictionaryLookup means, or why WordData gives no definition for “jg”?

2

Perhaps this…

http://dictionary.reference.com/browse/jg

..google is your friend…

3

Yes, thanks. How do you think Wolfram might add the definition to WordData - is there a formal process?