喉音

hóuyīn
  1. guttural sound
  2. (linguistics) glottal (or laryngeal) consonant

CEDICT

linguistics

Entry Composition

1 喉 hóu
  1. throat
  2. larynx
2 音 yīn
  1. sound
  2. noise
  3. note (of musical scale)
  4. tone
  5. news
  6. syllable
  7. reading (phonetic value of a character)