(noun) A person who limits his/her intake of meat in certain ways, such as choosing not to eat certain types of meat (e.g., beef and pork) but eating other kinds (like chicken and/or fish), or only eating meat once or twice a week.
crusto-vegetarian – eats crustaceans
ento-vegetarian – eats insects
mollo-vegetarian – eats mollusks
pescatarian – eats fish
porco-vegetarian – eats pork
repto-vegetarian – eats reptiles