noun🔗ShareCumulonimboA cloud, with a tall structure and a flat base, that is often associated with thunderstorms."We canceled the school picnic when we saw a large cumulonimbus forming in the sky, because those clouds often bring thunderstorms. "Cancelamos el picnic escolar cuando vimos un gran cumulonimbo formándose en el cielo, porque esas nubes a menudo traen tormentas.weathernatureChat with AIVocabulary GamePractice Reading
