1. n. A tailless rodent of the the family Caviidae and the genus Cavia, with short ears and larger than a hamster; the species Cavia porcellus is often kept as a pet.
2. n. A rodent of any of several species within the family Caviidae.
3. n. (figuratively) A living experimental subject.
He became a human guinea pig and was paid by the company.
4. n. (dated, slang) A professional company director, without time or real qualifications for the duties.
5. n. (obsolete) Term of contempt.
Analysis
guinea
1. n. (US, slang) A person of Italian descent.
2. n. (UK, historical) A gold coin originally worth twenty shillings; later (from 1717 until the adoption of decimal currency) standardised at a value of twenty-one shillings.
3. n. synonym of guinea fowl
pig
1. n. Any of several intelligent mammalian species of the genus Sus, having cloven hooves, bristles and a nose adapted for digging; especially the domesticated animal Sus scrofa.
The man kept a pen with two pigs that he fed from carrots to cabbage.
2. n. (specifically) A young swine, a piglet (contrasted with a hog, an adult swine).
3. n. The edible meat of such an animal; pork.
Some religions prohibit their adherents from eating pig.
Example Sentences
This way there'll be no trouble over the guinea pig.
