purr

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Related to purrs: purring, Cat purr

purr like a cat

1. Of an engine, motor, or other piece of machinery, to run very smoothly and efficiently (often signified by a smooth, rich humming noise, not unlike that of a cat's purr). Once get this carburetor repaired, this old car is going to purr like a cat again. I just replaced the motherboard on my PC and installed a bunch of new RAM—now it's purring like a cat.
2. Of person, to sigh, hum, or moan with contentment or pleasure. The kids purred like cats as they ate their ice cream cones. I know a few tricks that will have your partner purring like a cat.
See also: cat, like, purr

purr like a kitten

1. Of an engine, motor, or other piece of machinery, to run very smoothly and efficiently (often signified by a smooth, rich humming noise, not unlike that of a cat's purr). Once get this carburetor repaired, this old car is going to purr like a kitten again. I just replaced the motherboard on my PC and installed a bunch of new RAM—now it's purring like a kitten.
2. Of person, to sigh, hum, or moan with contentment or pleasure. The kids purred like kittens as they ate their ice cream cones. I know a few tricks that will have your partner purring like a kitten.
See also: kitten, like, purr

purr like a cat

 and purr like a kitten 
1. Fig. [for an engine] to run well and smoothly. My car really purred after I got it tuned up. New sparkplugs and this old heap will really purr like a cat.
2. Fig. [for a person] to be very pleased, and perhaps moan or purr with pleasure. She was so pleased that she purred like a cat. Sarah really purrs like a kitten when she is happy.
See also: cat, like, purr

purr (like a cat)

in. [for an engine] to run well and smoothly. New spark plugs and this old heap will really purr like a cat.
See also: cat, like, purr

purr

verb
References in periodicals archive ?
Sam, the tailless kitten, was rescued by Wags and Purrs, and he is now recovering and will soon be ready for adoption.
Visitors to The Pet Show at Stoneleigh Park, Warwickshire, will have the opportunity to hear Smokey's amazing purr for themselves while she signs copies of her book with a special paw rubber stamp.
Merlin's purr is rated as loud as a classroom of chattering children, a London Underground train, or the sound of a car horn 25ft away, the Mirror reported.
However, researchers have found that cats also purr in other, often surprising situations--when giving birth and nursing, when under duress and even when dying.
You want them to make the mistake of coming closer than they should, so it's little half-yelps and purrs," he says.
While most cats purr at around 25 decibels, Smokey has been recorded at an average of 80 decibels.
Elizabeth von Muggenthaler and colleagues at Fauna Communications believe that the vibrational frequencies in a cat's purr may explain why cats' bones heal so quickly and why so many domestic cats have survived falls from high-rise apartments.
Kittens will purr to tell their mother that they are well and getting milk successfully.
The mother purrs back to communicate that she is relaxed and able to care for them.
A survey has revealed subtle changes in a cat's purr when they are demanding a meal from their owners.
They've been using what scientists are calling "a soliciting purr", incorporating a cry of the same frequency as that of a human baby - a sound their owners find they cannot ignore.
Cats purr in a certain way to get attention from their owners!
To study effects on the chicks, the researchers broadcast extra purrs during mealtimes near some of the very young broods, when adults were just starting the behavior sporadically.
In a recent study, the duo paired people who had special needs with a robotic cat that purrs, hisses, and wags its tail in response to human touch.