what yi
Freebase(0.00 / 0 votes)Rate this definition: Yi is a letter of the Cyrillic script. It represents the iotated vowel sound, like the pronunciation of â¨yiâ© in playing, and is used in the Rusyn and Ukrainian alphabets. In various romanization systems, Ñ is represented by Latin Ã¯, ji, yi or i, the most common being yi.