clamshell-bucket

clamshell

[klam-shel]
noun
1.
the shell of a clam.
2.
Machinery.
a.
Also called clamshell bucket. 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.
3.
Printing. a platen press.

Origin:
1490–1500; earlier clam-shell; see clam1, shell

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
clamshell (ˈklæmˌʃɛl)
 
n
1.  chiefly (US) a dredging bucket that is hinged like the shell of a clam
2.  aeronautics
 a.  an aircraft cockpit canopy hinged at the front and rear
 b.  the hinged door of a cargo aircraft
 c.  another name for eyelid
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

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