lakebed

lake·bed

 (lāk′bĕd′)
n.
The floor of a lake.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

lakebed

(ˈleɪkˌbɛd)
n
(Physical Geography) the bottom of a lake
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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References in periodicals archive ?
Based on their research, it was deemed that the gas coming out the Martian surface could come from an ancient lakebed that's around 3.8 billion years old. 
But for flying over the nearest mountain and landing on a lakebed in the middle of Nevada, the external bike racks are convenient, and get you where you're going with REAL mountain bikes capable of handling the back country.
After days of testing on Loch Fad, Smith and Project Bluebird had proved that the craft could move at speed, and the only question now is just when or if indeed Bluebird should return to the surface of Lake Coniston in tribute to Campbell and in defiance of where it lay undisturbed on the lakebed for so long.
He worked on computing what the grain density should be for the rocks and ancient lakebed sediments the rover has been driving over.
Kawit said sulfur wells up from the lakebed usually during the cold spell from November to February triggered by strong northeasterly winds.
Gabriel was successful in computing the ideal grain density of rocks and ancient lakebed sediments around the rover.
The footprints of many adult humans carved deep in rocks were discovered on the bank of an ancient lakebed in the Nafud desert that scientists say was once a lush and damp area teeming with life.
The 12-mile desert race track has been prepared by 317 members of the local Mier community, who have moved 16,000 tonnes of rock from 22 million square metres of dry lakebed.
In the coming years, changes in water availability and management in the Imperial Valley are expected to decrease inflows to the Salton Sea, reducing its size and exposing large areas of dry lakebed, or playa.
At least 44 buildings collapsed completely in Mexico City, according to official figures, with thousands more left damaged and unstable in the sprawling city, which is built on a drained lakebed, the Guardian reported on September 21.

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