clamshell(redirected from grab bucket)
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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.