The word Ariel carries multiple layers of meaning: it can denote the hearth or altar of the Temple (Ezekiel 43:15-16), serve as a poetic name for Jerusalem (Isaiah 29), or be a personal name. The root combines ari (lion) with El (God), yielding 'lion of God' — a powerful image of Jerusalem's divine protection and fierce holiness.
Isaiah's oracle to Ariel (Jerusalem) warns of siege and distress while promising ultimate deliverance, illustrating God's paradoxical dealings with His city — disciplining the very place He has chosen. The altar usage in Ezekiel underscores the sacrificial system's centrality to Israel's covenant life. That Jerusalem shares its symbolic name with an altar highlights the city's identity as the place where heaven meets earth.