龈腭音 yín'èyīn alveolo-palatal consonant Definitions Defs Origin Strokes Stroke Words Sentences Sents 龈 齦 yín noun gums (bound form) gums; the flesh around the base of the teeth腭 齶 è palate The roof of the mouth in vertebrates, consisting of the hard palate at the front and the soft palate at the back; also written as 颚 è音 yīn noun syllable a unit of sound; a phone or syllable