2. Noun. A raised terrace of coral limestone surrounding a South Pacific atoll ¹
3. Noun. (geology) The limestone of which it is constructed ¹
¹ Source: wiktionary.com
2. Noun. A raised terrace of coral limestone surrounding a South Pacific atoll ¹
3. Noun. (geology) The limestone of which it is constructed ¹
¹ Source: wiktionary.com