Meaning of Trigraph

English Translation from English to English dictionary online for the word Trigraph

1. 1
   n.

   Three letters united in pronunciation so as to have but one sound, or to form but one syllable, as -ieu in adieu; a triphthong.

2. 2
   n.

   Three letters united in pronunciation so as to have but one sound, or to form but one syllable, as -ieu in adieu; a triphthong.