Meaning
蛤 (はまぐり, Hamaguri) is Asian hard clam, a Japanese food (water animals).
What is Asian hard clam?
Hamaguri ( Meretrix lusoria ), also known as the Asian Hard Clam or the Common Orient Clam, is a species of saltwater clam. This species is native to Asia, found along water beds and the coastal waters of China, Korea, and Japan. It is commercially exploited for sushi, and its shells are traditionally used to make white go stones.