Definitions

1. noun

the shell of a clam or other bivalve mollusk, typically consisting of two hinged parts

“She picked up the clamshell and carefully rinsed it under the running water.”

2. noun

a container with two hinged parts, typically made of plastic and used for packaging or eating food

“The clamshell packaging made it easy to eat the sandwich on-the-go.”

3. noun

a type of fold or opening in a device or system, especially a computer or electronic device

“The clamshell design of the laptop made it easy to fold it up and carry it in a bag.”