pack rat

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A person who hoards objects of little worth—e.g., string, old newspapers, etc.—or sentimental value. The pack rat mentality is typical of obsessive-compulsive disorder

pack rat

Psychiatry A person who hoards objects of little worth–eg, string, old newspapers, etc–and lacking sentimental value; the PR mentality is typical of OCD. Cf Obsessive-compulsive disorder.


small, furred mammal; members of the family Murinae (Old World rats) and the family Cricetinae (New World rats) both of the order Rodentia. They are omnivorous, nocturnal, do not hibernate and live commensally with humans. They have pointed snouts, a long, thin, almost hairless tail. Only some of the members of the rat and allied groups are listed below.

rat bite fever
black rat
Old World rat with long tail and ears. Called also Rattus rattus.
brown rat
Old World rat with short tail and ears. Called also Rattus norvegicus.
rat flea
kangaroo rat
a solitary rodent with long legs with which it progresses in leaps like a kangaroo and uses its large tail as a balancer. Called also Dipodomys deserti.
rat leprosy
a chronic, largely cutaneous disease of rats caused by Mycobacterium lepraemurium and characterized by subcutaneous granuloma and similar involvement of superficial lymph nodes, containing large numbers of acid-fast organisms. The disease has little similarity to nor any relationship with human leprosy. See also feline leprosy.
Long-Evans rat
laboratory rat with brown or black head and shoulders.
musk rat
properly called muskrat and is really a water vole. Called also Ondatra zibethica.
pack rat
New World rat-like creature. Called also Neotoma spp., wood rat.
sand rat
see gerbil.
Sprague-Dawley rat
albino laboratory rat.
rat tooth, teeth
describes the type of points on surgical instruments with a single point on one side which interlocks with two points on the other side.
water rat
properly called water vole; in Australia, water rat is a native rodent Hydromys chrysogaster.
white rat
common laboratory rat.
Wistar rat
a white laboratory rat.
References in periodicals archive ?
With a twitch of his whiskers, Pack Rat rolled the round, black rock up the hill to his house and he didn't stop to trade his treasure for anything.
Betancourt notes, however, that the data from pack rat middens are "messy and subject to large uncertainties" because radiocarbon techniques can pinpoint a date only to within roughly 100 years.
Over the years, the pack rat episode always comes to mind whenever we think about the old McCormick-Deering crawler.
Designed by people who actually spend time in the field, the Pack Rat is a good piece of kit I really like.
Previous studies of such sweeping forest changes made do with less precise methods, like analyzing pollen, tree rings, or pack rat debris.
Sliding inside, I was greeted by a pack rat about the size of a raccoon.
If your fancy turns whimsical, your creations are limited only by your imagination and the inventory of stuff lying around or stored in your pack rat nest.
The board of advisors for the whitewater course includes founding members Mark Crawford, an engineering consultant who has experience with large-scale hydraulic systems; Kevin Fendley, a market consultant and senior manager at the Pack Rat Outdoor Center in Fayetteville; David Reid, a business consultant and chief operating officer of nationwide carwash builder Kingsley Management LLC; and financial consultant David Robertson, a C.
When Andy Warhol's celebrated collection of goodies (everything from Kenny Scharfs to cookie jars to a bed canopy loaded with watches) went on the block at Sotheby's in 1989, its Citizen Kane-like breadth and eccentricity (not to mention a peak-market haul of more than $26 million) cemented his reputation as this century's ultimate artist pack rat.
If you're looking to make a change in your style, here are a few suggestions to assist the pack rat make the transition into the "collector" category.
Work began in early July on the new building for the Pack Rat Outdoor Center at the corner of Gregg Avenue and Sunbridge Drive in Fayetteville.