from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The shell of a clam.
  • n. Any of various devices with two hinged jaws, used for dredging or digging.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The shell of a clam.
  • n. A dredging bucket with hinges like the shell of a clam.
  • n. In foodservice, the white, usually styrofoam box given to consumers with take-out food.
  • n. An object which has a hinge on one edge and two surfaces that close together
  • n. An amphitheater, especially an outdoor amphitheater; the semi-circular acoustic backdrop behind and above the performers.
  • adj. similar to the operation of a clam's shell, having a hinge with two sides closing together

from the GNU version of the Collaborative International Dictionary of English

  • n. the shell of a clam.
  • n. a dredging bucket with hinges like the shell of a clam.

from The Century Dictionary and Cyclopedia

  • Resembling in form or appearance the shell of a clam: as, a clamshell dredging-bucket; a clam-shell dredging-machine.
  • n. The shell of a clam.
  • n. The mouth, or the lip.
  • n. A box made of two similar pieces of wrought-iron hinged together at one end, used in dredging.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a dredging bucket with hinges like the shell of a clam
  • n. the shell of a clam


clam + shell (Wiktionary)


  • Courtney's in the back seat with what they call a clamshell, which is a monitor so she can see what the camera's seeing.

    Thelma Adams: For Your Consideration: Melissa Leo for Best Actress in Frozen River

  • Flash memory cards are nearly all packaged in clamshell type packaging - just go to your local big box retailer to see for yourself.

    Amazon Frustration Free Packaging Makes a Difference

  • The irony is, of course, that they come in clamshell packaging.

    CSA Week 3 Notes

  • No soups or stews because the meals are served in clamshell containers and liquid foods cannot be packaged in these.

    Archive 2007-08-01

  • The announcement will have a major impact on Target's packaging operations where PVC is commonly used in clamshell type packaging.

    19 posts from November 2007

  • Burchers says the iPad's success has pushed touch-screen tablets to the fore while curbing plans for more traditional "clamshell" - shaped devices like netbooks.

    IPad Rivals Encounter Delays

  • Hence the importance of Furukawa's achievement: a crystal structure revealed by the powerful light source at Brookhaven National Laboratory, that shows the ATD to have a "clamshell" - like appearance that is important for its function.

    Health News from Medical News Today

  • When folded up, the keypad side of the 'clamshell'-like handsets was transparent and users could see the main screen.

    Technology, Science, Entertainment, and Business News

  • I am starting to experiment more with hard variants of clamshell, which is something that I find very interesting.


  • The project is designed to handle the kinds of plastic packaging not now allowed in London blue boxes -- most notably the so-called clamshell containers, the top recycling complaint received at city hall last fall.

    London Free Press

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