Definition from Wiktionary, the free dictionary
|Unicode name||CYRILLIC SMALL LETTER JE|
- (phoneme) IPA: /j/
ј (lower case, upper case Ј)
- The 11th letter of the Serbo-Croatian Cyrillic alphabet.
Usage notes 
Its name is ј (j) and it corresponds to the English y, as in you. It is sometimes considered as an equivalent of the Russian Й.