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1. The shell of a clam.
2. Any of various devices that consist of two parts attached by a hinge and that open and close like a clamshell, especially a digging or dredging machine with a bucket that has hinged jaws or a handheld electronic device.


1. (Mechanical Engineering) chiefly US a dredging bucket that is hinged like the shell of a clam
2. (Aeronautics) aeronautics
a. an aircraft cockpit canopy hinged at the front and rear
b. the hinged door of a cargo aircraft
c. another name for eyelid2
3. any of a variety of objects hinged like the shell of a clam, such as a container for takeaway food, a portable computer, etc



1. the shell of a clam.
a. Also called clam′shell buck`et. a dredging bucket opening at the bottom, consisting of two similar pieces hinged together at the top.
b. a machine equipped with such a bucket.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.clamshell - the shell of a clamclamshell - the shell of a clam      
shell - the hard largely calcareous covering of a mollusc or a brachiopod
2.clamshell - a dredging bucket with hinges like the shell of a clam
dredging bucket - a bucket for lifting material from a channel or riverbed
References in periodicals archive ?
Many popular celebrities and public figures also use clamshell phones to date; including, Vogue editor-in-chief Anna Wintour, Kate Beckinsale, Scarlett Johansson, Rihanna and more.
Availability may be limited to the Asian region and India if going by Samsung's distribution of its earlier high-end clamshell phones.
In addition to the front displays of clamshell phones, they are used in car audio systems and MP3 players.
On the majority of clamshell phones, the Emdigo 3D ActionScreens application launches automatically each time the phone is opened.
BOSTON -- In its latest Insight on Ultra-Slim phones, Strategy Analytics, the global research and consulting company, uncovered the secrets of the Motorola RAZR V3, comparing the thickness of the majority of ultra-slim clamshell phones.
In clamshell phones, these flexible devices enable multiple signals to be more readily sent from displays and other accessories to the mainboard by serializing parallel signals.