rut

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rut

1. a recurrent period of sexual excitement and reproductive activity in certain male ruminants, such as the deer, that corresponds to the period of oestrus in females
2. another name for oestrus
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Rut

 

the behavior and state of the majority of animals during the mating period. During this period the animals are restless, and the males frequently fight over females and utter special calling sounds (the bellow of reindeer, the moan of elk). In lands with sharply defined seasonal climatic features, the rut is confined to definite periods (for instance, in the forest zone of the USSR the rut of wolves occurs in January-February and that of Siberian stags and elks in September). In many tropical areas of the globe, rut occurs at various times of year, since mating periods are not limited to a definite season. Depending on weather conditions, availability of food, and the state of the animals, rutting periods may shift. Under especially unfavorable conditions the rut is poorly manifested. In certain domesticated animals (foxes, polar foxes) rutting periods are somewhat different from those of the same species living in the wild. Rutting periods also usually change when animals are transferred to another climate (for example, from the southern hemisphere to the northern).

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.

rut

[rət]
(physiology)
The period during which the male animal has a heightened mating drive.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
During the previous 20 years I worked a regular job and saved all my vacation time, as well as some sick days, for the rut. In fact, many of those years I wouldn't work a single day in November, instead spending all my time in the woods.
At this age, he'll enter the rut with more zeal, and he will be a willing participant in sparring and fighting matches with similarly sized bucks for the right to hang with an estrous female--at least until a real big boy chases him off.
In granular material layers, the mechanism of rut depth reduction through geosynthetic reinforcement may be explained as follows:
In order to evaluate the road and automobile stability in motion on the uneven surface with ruts, the following criterion is suggested (Vansauskas, Bogdevicius 2009):
Now there will be a long anticipated Rut DC tour, calling into Liverpool next month.
These include, among other things, the analytical correlations between the vehicle speed and the rut depths, anti-skid/anti-slip properties, the soft shoulder maintenance, the available sight distance and the road bendiness.
"My current finances really stink, and I'm fully open to being relieved of this mountain of debt." Those thoughts are actually on the right track, if you'll keep rolling with where they lead instead of digging a hopeless rut. The persistence I talked about will come in your new actions--not in repetitive thoughts--good or bad.
Another example of ruts we're in is the world we live in day to day in the Air Force.
The samples were immediately transferred into plastic molds used for rut testing in the Asphalt Pavement Analyzer (APA).
These are examples of the whitetail rut when it plays like it's supposed to.
Roger von Oech, author of A Whack on the Side of the Head and A Kick in the Seat of the Pants, clearly, thinks that in order to get out of one's mental rut something a little more, well, extreme is needed than a "Po!" He actually goes back to the pre-Socratic philosopher Heraclitus For sayings that he explicates From the point of view of creativity circa right now in Expect the Unexpected or You Won't Find It, which is now available in paperback (Berrett-Koehler; 166 pp.; $12.95].