<p><strong>Adjective</strong></p><ul><li>Anatomy, Zoology: of or relating to an alveolus or to alveoli.</li><li>Phonetics: articulated with the tongue touching or close to the alveolar ridge, as English t, d, n; gingival.</li></ul><p><strong>Noun</strong></p><ul><li>Phonetics: an alveolar sound.</li></ul>