01 n. A traversing base frame, or movable railway, along which the carriage of a barbette or casemate gun moves backward and forward. [See Gun ca…
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1.
A traversing base frame, or movable railway, along which the carriage of a barbette or casemate gun moves backward and forward. [See Gun carriage.](Mil.) See: Gun carriage
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2.
The under part of an automobile or other motor vehicle, consisting of the frame (on which the body is mounted) with the wheels and machinery.