greywacke

British

/ ˈɡreɪˌwækə /

noun

any dark sandstone or grit having a matrix of clay minerals

"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 greywacke

C19: partial translation of German Grauwacke; see _wacke

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.

Before we left, I asked a worker when he expected Cleopatra’s Needle would be standing up at Greywacke Knoll, and he said it could be months.

From Literature

Just a few more blocks and it will be at Greywacke Knoll.

From Literature

I thought that they were just going to drag it the short distance from Fifth Avenue to Greywacke Knoll, but they didn’t.

From Literature

Greywacke Knoll is higher than Fifth Avenue, and they have to raise the obelisk about fifty feet to get it into position.

From Literature

Annie and I went over to Greywacke Knoll today, where the Needle is going to stand forever.

From Literature

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