<p><strong>Adjective:</strong></p><ul><li>Of or relating to a day or each day; daily.</li><li>Of or belonging to the daytime (nocturnal).</li><li>Botany: Showing a periodic alteration of condition with day and night, as certain flowers that open by day and close by night.</li><li>Active by day, as certain birds and insects (nocturnal).</li></ul><p><strong>Noun:</strong></p><ul><li>Liturgy: A service book containing offices for the daily hours of prayer.</li><li>Archaic: A diary.</li><li>Archaic: A newspaper, especially a daily one.</li></ul>