A cell is a single unit or compartment, enclosed by a border or wall.

Examples of cells:

Physical and Life Sciences

• cell (biology), and also the journal Cell
• electrochemical cell
• a cell in the honeycomb of a beehive

Social Sciences

• prison cell
• monastic cell
• a covert cell of terrorists or partisans - a small organisation group designed to resist attempts at policing and counter-espionage

Computer Sciences

• radio cell, as used in cellular mobile and cell phone
• table cell, as used in HTML / web pages
• cellular automata in mathematics
• Geometric cell - the three-dimensional analogue of a face
• The Cell computer chip being designed for the PlayStation 3

Arts

• in music a cell is a rhythmic, melodic, motivic, or intervallic group, set, or figure (music).
• The Cell, a film
• Cell - a fictional character in the Japanese manga (comic book) Dragon Ball and the anime (cartoon) Dragon Ball Z