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Morse taper

British

noun

engineering a taper that is one of a standard series used in the shank of tools to fit a matching taper in the mandrel of a machine tool

"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

Etymology

Origin of Morse taper

probably named after the Morse Twist Drill Co, Massachusetts, US

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The taper shanks of twist drills are given a standard degree of taper of 5⁄8 inch per foot of length, which is termed the Morse taper.

From Modern Machine-Shop Practice, Volumes I and II by Rose, Joshua

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023