semivowelPronunciation: /ˈsɛmɪvaʊ(ə)l/Definition of semivowel noun a speech sound intermediate between a vowel and a consonant, e.g. w or y. Origin: mid 16th century: from semi- + vowel, on the pattern of Latin semivocalissemivowel in other Oxford dictionaries Definition of semivowel in the US English dictionary
