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.

---

pinchcock British  

/ ˈpɪntʃˌkɒk /

noun

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

---

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

The treatment of diffuse esophageal dilatation consists in dilating the "diaphragmatic pinchcock" that is, the hiatal esophagus.

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

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 Jackson, Chevalier

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

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