An animal enclosure is a structure used to contain animals, typically for the purpose of keeping them safe or preventing them from escaping. Common terms for animal enclosures include CAGE (4 letters), CORRAL (6 letters), FOLD (4 letters), PEN (3 letters), RUN (3 letters), and COTE (4 letters). A CAGE is a small, enclosed structure made of metal bars or wire mesh, while a CORRAL is an outdoor enclosure made of wood or metal fencing. A FOLD is a small, enclosed area used to keep sheep, while a PEN is a small, enclosed area used to keep pigs or other animals. A RUN is an open-air enclosure, usually with a roof, used to keep poultry or other animals, and a COTE is a small, enclosed area used to keep pigeons or other birds.