Added 10 October 2026 semivowel noun Categories: LanguageObscure Words In Latin: semivocalis Wiktionary noun ! Definition from Wiktionary (CC BY-SA). More about semivowel at Wordnik → Where our words come from → A sound in speech which has some qualities of a consonant and some qualities of a vowel. A letter which represents a semivowel sound, such as w or y in English. Related Words: glidebilabialsemi-vowelsemiconsonantsemisyllablesonantshorthalf-longmajhulintervocalization Back to today's word