Save Type Political Subdivision & Body of Water Usage English, Filipino Scripts ᜎᜄᜓᜈ(Baybayin) Pronounced Pron. lag-OO-nə(English) lə-GOO-nə(English) lah-GOO-nah(Filipino) [key] Meaning & History Means "lake" or "lagoon" in Spanish. In the Philippines, it refers to a lake (Laguna de Bay) or a province which is adjacent to the lake.