A genocide is a large-scale killing of a group of people. Genocide is often defined as the deliberate killing of more than half of a group of people.
A windowless room is a room that doesn't have any windows. This means that the room is very dark and difficult to see in.
A piglet is a young pig. A piglet is usually only a few weeks old, and it is still growing and learning.
To fatten something is to make it grow larger. You might fatten a chicken by feeding it a lot of food.
A feedlot is a large commercial farm where animals are raised for their meat. The animals are usually raised in pens that are very small, and they are fed a lot of food.
Resistant means resistant to. When you resist something, you are trying to prevent it from happening.
The beaks of a bird are its primary eating instruments. They are used to eat food, and they are very important for the bird's survival.
When someone is gassed, they are filled with a gas that is supposed to make them unconscious or weak. In some cases, the gas is supposed to kill them.
When something is snagged, it is caught on something. This can be a literal snagging, where something is caught on something else, or it can be more figurative.