i Register
In some senses, dorm is marked as informal. Watch for register when choosing this word.
noun
Clipping of dormitory.
verb
To reside in a dorm.
I haven't seen Emily since I dormed with her in our student days.
He spent a year at Wayne State University before transferring to Stanford to be with Chase. They dormed together at Crothers Hall, studied together at William Gould Hall and came home on vacations together.