母音(ぼいん): 口腔内で大きな狭めを作らず、声帯の振動によって発せられる音声の一種。日本語では「あ・い・う・え・お」など。 / vowel: A speech sound produced without significant constriction of the airflow in the vocal tract, functioning as a syllable nucleus in many languages.
英語の意味
chữ Hán form of mẫu âm (“vowel”).