anchor ring

noun

, Geometry Now Rare.

1. torus ( def 2a ).

anchor ring

noun

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

Word History and Origins

Origin of anchor ring¹

First recorded in 1860–65

Example Sentences

That day, they set to work at cutting through the great chain that was fast to the anchor ring.

From Project Gutenberg

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

From Project Gutenberg