Someone who absatins from eating meat and poultry but eats fish.
In other words: A vegetarian that eats fish.
Many people don't beleive pescatarians have a right to say they're vegetarian because fishes are animals and animals have flesh. And if you eat flash you are not a vegetarian
Person A: I don't eat meat.
Person B: You don't?! What about fish and chicken?
Person A: Well, I do eat fish.
Person B: But fish is meat! So you eat meat..
Person A: No I don't eat meat, I just eat fish!