a clamp for compressing a flexible pipe, as a rubber tube, in order to regulate or stop the flow of a fluid.
Origin of pinchcock
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a clamp used to compress a flexible tube to control the flow of fluid through it
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012