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1. The shelter or retreat of a wild animal; a lair.
2. A cave or hollow used as a refuge or hiding place.
3. A hidden or squalid dwelling place: a den of thieves.
4. A secluded room for study or relaxation.
5. A unit of about eight to ten Cub Scouts.
intr.v. denned, den·ning, dens
To inhabit or hide in a den.

[Middle English, from Old English denn.]
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.


(Biography) Baron Alfred Thompson. 1899–1999, English judge; Master of the Rolls 1962-82
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
Conservation group Polar Bears International (PBI), which conducts an annual polar bear denning survey, was able to monitor the den with a remote camera system in what turned out to be a group effort involving the public and private partners.
A former British DJ for the BBC has admitted to committing a string of sexual offences over a nearly two-decade period. Chris Denning, 75, said he abused 11 males, including men and young boys, some who were as young as under 14 years of age.
FORMER Radio 1 star Chris Denning yesterday admitted sexually abusing 19 boys as young as nine.
There is greater distance between natal dens of Arctic foxes and those of red foxes than between natal dens within each species, suggesting that Arctic foxes avoid red fox denning territories.
The system is highly suitable for effectively using two-ingredient cartridge for fumigating the dens of foxes, jackals, coyotes, dingoes and denning porcupines.
Raising their young in tree cavities, females may be able to reduce the number of offspring lost to predators on the ground, but tree denning would not reduce the risk from conspecifics.
Post-natal survival of raccoons in relation to female age and denning behavior.
He and his colleagues found the trend toward coastal denning in a long-term data set that records polar bear movements.
Chief Denning is trying to compile a comprehensive list of accidents that have occurred in Brimfield on the dual-lane Route 20 near the rest area and between Dearth Hill and Hollow roads, including incidents that the town emergency responders do not know about.
The two men, Harry Nesbitt and Glenn Denning, were at the start of an incredible journey that would challenge their courage, their skills and their endurance.
But ANWR is one of only two principal polar bear denning areas in North America, and activists say the shrinking status of the continent's other major population of white bears--on western Hudson Bay, near Churchill, Manitoba--is a compelling reason to keep hands off Alaska.