Psycholinguists argue about whether language reflects our perception of reality or helps create them. I am in the latter camp. Take the names we give the animals we eat. The Patagonian toothfish is a prehistoric-looking creature with teeth like needles and bulging yellowish eyes that lives in deep waters off the coast of South America. It did not catch on with sophisticated foodies until an enterprising Los Angeles importer renamed it the considerably more palatable "Chilean sea bass.