A clam is a bivalve mollusc. It is used a source of food.
A clam is a shell made of two equal-shaped valves.
Scooby-Doo, Where Are You!
The gang ended their day at the beach by collecting clams, but Shaggy Rogers was more interested in eating them.
Scooby-Doo! Mystery Incorporated
Skipper Shelton's Clam Cabin sold a variety of different clam meals and desserts.