A person who will not eat meat if it still resembles the animal it was made from. For example, a visual vegetarian would eat chicken fingers but not a chicken leg or wing, because legs and wings still resemble the actual chicken.
Clyde: Are you ready for some of this turkey?
Henry: If you have any sliced turkey I'll take that, but I'm not going to eat from this turkey with the head still on it. I'm a Visual Vegetarian, and that looks too much like the real thing.