Definition Of guinea pig
a domesticated, tailless South American cavy, originally raised for food. It no longer occurs in the wild and is now typically kept as a pet or for laboratory research.
The domestic guinea pig , Cavia porcellus, now found worldwide in captivity, has been bred for meat for more than three thousand years in South America.
Example Of guinea pig
A cancer sufferer from Greater Manchester, for whom all conventional treatments have failed, has volunteered to become the world's first guinea pig for a possible new cure.
A major debate was raised by the claim that ‘the guinea pig is not a rodent’.
And even though the guinea pig was ten times the size of a normal guinea pig , it accepted the carrot hungrily and walked off happily.
As the water rose, the guinea pig rose too, although it ordinarily doesn't stand around on its hind legs, but rather squats like a hare or a rabbit.
At school, our classroom had a small rodent zoo consisting of two rabbits, three hamsters, a litter of baby gerbils and a guinea pig .