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

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 Jackson, Chevalier

It was first demonstrated by the author that in so-called cardiospasm the functional closure of the esophagus occurred at the diaphragmatic level, and that it was due to the "diaphragmatic pinchcock."

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

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 Jackson, Chevalier

It is the failure of the diaphragmatic pinchcock to open, as in the normal deglutitory cycle, rather than a spasmodic tightness, that obstructs the food.

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

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 Jackson, Chevalier