颚龈音 èyínyīn palato-alveolar consonant; palatal sound Origin Definitions Defs Strokes Stroke Words Sentences Sents 颚 顎 è palate the roof of the mouth in vertebrates, consisting of the hard palate and soft palate龈音 齦音 yínyīn alveolar sound a speech sound made by the tongue touching or near the ridge behind the upper teeth