(n): the area in any structure that provides space for storage
(n): a toilet in Britain
(n): a room or building equipped with one or more toilets
(n): a tall piece of furniture that provides storage space for clothes; has a door and rails or hooks for hanging clothes
(n): furnishings that make a room or other area ready for occupancy
(n): a small private room for study or prayer
(n): an area within a building enclosed by walls and floor and ceiling
(v): confine to a small space, as for intensive work
(v): prevent from leaving or from being removed
cLOSEt, and cLOSeT: One closets a thing so as not to lose it (among other things).