牙音 [－－]

Jyutping ngaa4 jam1
Pinyin yá yīn

Definitions (CC-CEDICT)
  1. velar consonants of Middle Chinese
Definitions (Wiktionary)
  1. noun, Chinese
    velar consonant; any of the group of consonants represented by the Middle Chinese pronunciation the following 字母 (zìmǔ): 見／见 (/k/), 溪 (/kʰ/), 群 (/ɡ/) and 疑 (/ŋ/)
    (syn.) 软颚音, 軟顎音