tridacna
📖 中文释义
- 砗磲
🔗 释义中的汉语词
📘 English Definition（英文释义）
- n. A genus of very large marine bivalve shells found on the
- coral reefs of the Indian and Pacific Oceans. One species (T. gigas)
- often weighs four or five hundred pounds, and is sometimes used for
- baptismal fonts. Called also paw shell, and fountain shell.