The shell of a clam. / A dredging bucket with hinges like the shell of a clam. / In food service, the closing box (usually styrofoam but sometimes cardboard) given to consumers with take-out food.

(manufacturing) To deform a die in a shape resembling the shell of a clam, as a result of uneven extrusion pressure. / To dig out by means of a clamshell (dredging bucket).

plural of clamshell

Third-person singular simple present indicative form of clamshell

A type of flip phone, where the fold-out is approximately the size of the other portion of the phone.

plural of clamshell phone

present participle of clamshell

simple past tense and past participle of clamshell