The term 'campus hangout' can refer to a variety of places on college campuses. The crossword solutions for this term include REC (3 letters), QUAD (4 letters), TREE (4 letters), and FRATERNITYHOUSE (15 letters). A REC is a recreational center, which often includes a gym, pool, and other activities. A QUAD is an open area of grass surrounded by buildings, usually in the center of a college campus. A TREE is a large plant that provides shade and beauty to a campus. Finally, a FRATERNITYHOUSE is a house owned by a fraternity, where members can gather and socialize. All of these places are popular hangouts for college students.