啞子

哑子
yǎzi
(dialect) a mute (person)

CEDICT

dialect

Entry Composition

1 啞 yǎ
  1. mute; dumb; incapable of speech
  2. (of a voice) hoarse; husky
  3. (bound form) (of a bullet, bomb etc) dud
2 子 zi noun suffix, as in 椅子 yǐzi "chair"