anchor ring

noun Geometry Now Rare.

torus(def 2a).

Origin of anchor ring

First recorded in 1860–65

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for anchor ring

Historical Examples of anchor ring

For example, an anchor-ring with a cross-connecting tube from one side to the other would be triply continuous.
Lord Kelvin
Andrew Gray

British Dictionary definitions for anchor ring

anchor ring

noun

a ring made from an iron bar of circular cross-section

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