pinchcock

American  

[pinch-kok] / ˈpɪntʃˌkɒk /

noun

1. a clamp for compressing a flexible pipe, as a rubber tube, in order to regulate or stop the flow of a fluid.

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pinchcock British  

/ ˈpɪntʃˌkɒk /

noun

1. a clamp used to compress a flexible tube to control the flow of fluid through it

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Etymology

Origin of pinchcock

First recorded in 1870–75; pinch + cock ¹

Example Sentences

See Examples For:

pinchcock

In passing it may be stated that the pinchcock action, plus the kinking of the esophagus normally prevents regurgitation when a man with a full stomach "stands on his head" or inverts his body.

From Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery by Chevalier Jackson

The author has called the hiatal closure the "diaphragmatic pinchcock."

From Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery by Chevalier Jackson

The top of the stomach seems to be closed by the diaphragmatic pinchcock in the same way that the top of a bag is closed by a puckering string.

From Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery by Chevalier Jackson

The esophagoscope encounters only the diaphragmatic pinchcock which seems to be at the top of the stomach like the puckering string at the top of a bag.

From Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery by Chevalier Jackson

It is simply the failure of the diaphragmatic pinchcock to open normally in the deglutitory cycle.

From Bronchoscopy and Esophagoscopy A Manual of Peroral Endoscopy and Laryngeal Surgery by Chevalier Jackson