• Webster's Revised Unabridged Dictionary
    • n Wacke (Geol) A soft, earthy, dark-colored rock or clay derived from the alteration of basalt.
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Century Dictionary and Cyclopedia
    • n wacke A soft homogeneous clay arising from the decomposition of some form of volcanic or eruptive rock. It is of a greenish or brownish color. Compare graywacke.
    • ***
Chambers's Twentieth Century Dictionary
    • n Wacke wak′e German miners' term for a soft, grayish kind of trap-rock.
    • ***


Webster's Revised Unabridged Dictionary
G. wacke, MHG. wacke, a large stone, OHG. waggo, a pebble


In literature:

I visited WOOD'S Museum to see the wacks figgers and things.
"Punchinello Vol. 2, No. 28, October 8, 1870" by Various
A decomposed stone, probably consisting of wacke.
"Narrative of a Survey of the Intertropical and Western Coasts of Australia] [Volume 2 of 2]" by Phillip Parker King
There are the Chelsea hamlets, but it will take a wack of money.
"Phineas Finn" by Anthony Trollope
I'll try and buck up and not be such a wet wack.
"Dave Dawson on Guadalcanal" by Robert Sydney Bowen
The beach between Cape Hearne and Cape Kendall is in some places composed of slate-clay, and of a clay resembling wacke.
"Narrative of a Second Expedition to the Shores of the Polar Sea" by John Franklin
A local name in Derbyshire for a kind of wacke, which see.
"A Manual of Elementary Geology" by Charles Lyell
These banks rise in some instances to hills of firm rock, generally wacke.
"The Highlands of Ethiopia" by William Cornwallis Harris
Two hundred Neshew mitena a Nige wack.
"Voyages from Montreal Through the Continent of North America to the Frozen and Pacific Oceans in 1789 and 1793" by Alexander Mackenzie

In news:

There is an abundance of "out of wack" proteins found on men's scalp that are balding .
Blues guitarist Little Freddie King and his drummer/manager, "Wack-O" Wade Wright, stood outside the Charbonnet-Labat-Glapion Funeral Home in Treme on Thursday afternoon, pondering the scene inside for "Uncle" Lionel Batiste 's wake.
Driver Gunnar Jeannette was wacked by a Porsche GTC – said to be a 7g impact – and the DeltaWing rolled.
I'm becoming quite the fan of these efforts, and this Japanese one is truly wack.
Jeff Bridges is so euphorically wacked as a social dropout in The Big Lebowski that you get a secondhand high just looking at him.
This blog schtuff is truly wicky wack because you feel like you can't stop.
Latest from the bugged-out Baltimore legend and eBay rap rarity king, takes on religion, race, Romney, wack rappers.
Pinecones have been placed in a location that can be seen from the trail, so no "bush-wacking" is involved.
A New York Times crossword puzzle clue asking for a 5-letter word that means "Wack, in hip-hop" led to an email and an argument over the real meaning of "illin'.
Couldn't be because the sound is wack.
There will also be live music featuring Wack-a-Doo.
Let us not forget teh spectacle we saw during that Barbara Waa-Waa interview a few years ago, when she famously said, "crack is wack".
First, the formalities: I adore your column, I've been reading it since I was a single fundamentalist far-right wack job and I read it now that I'm a married far-left feminist with kids.
Mary-Kate Olsen and Ben Kingsley in The Wackness.
Maybe all the wack jobs and conspiracy theories are right.