semivowel Syllabification: (sem·i·vow·el)Pronunciation: /ˈsemēˌvouəl, ˈsemˌī-/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 British & World English dictionary
