piddock

A marine bivalve mollusk that bores into rock, clay, or wood using its saw-like shells.

• 🇨🇳一种海生双壳类软体动物，能用其锯齿状的壳钻入岩石、黏土或木材中。常指海笋科（Pholadidae）的钻岩蛤类。

1. Marine bivalve mollusk C2 formal

   A type of saltwater clam that bores into hard surfaces like rock, clay, or wood using its rough, file-like shell.

   • The piddock uses its shell to grind into soft rock.
   • Piddocks are often found in limestone cliffs along the coast.
   • The holes in the wooden pier were made by piddocks.

   🇨🇳海产双壳类钻孔贝

• piddocks plural form
• piddocks' possessive plural form
• piddock's possessive singular form