IPA: /lɪˈɡoʊnəl/
KK: /lɪˈɡoʊnəl/
Relating to a body of water that is separated from a larger body of water by a barrier, often found behind coral reefs.
The lagoonal ecosystem is home to many unique species of fish and plants.
Lagoonal is derived from "lagoon" (from Italian "laguna", meaning a shallow body of water separated from a larger body of water) and the suffix "-al" (meaning pertaining to). The word "lagoonal" refers to something that is pertaining to or characteristic of a lagoon.
Think of a "lagoon" as a special type of shallow water area, and the suffix "-al" means it relates to that. So, lagoonal describes things that are related to lagoons.