cubicle-n; 2 Senses

Sense Number 1: a small enclosed room, often used for sleeping

Commentary: CUBICLE[+structure][+small][+walled][+enclosed][+room]

The prisoners were locked in cubicles with iron doors and no windows.
Each monk at the monastery had his own cubicle with a small bed, table and chair.

WordNet 3.0 Sense Numbers: 1

Sense Number 2: a small partitioned area where one studies or works

Commentary: CUBICLE[+structure][+small][+walled][+partitioned][+stall]
NOTE: implies a partitioned, walled area, but not an enclosed room with a door (Sense 1)

Students can reserve study cubicles in the library.
Mary has the only office, all the other employees just have cubicles to work in.
John was distracted by the noise coming from his neighbor's cubicle at work.

WordNet 3.0 Sense Numbers: 2, 3