Related Clues:

• Portable phone
• Lockup room
• Mobile phone
• Lompoc lockup
• Small compartment
• Room on the block?
• Place for a joint tenant
• Building block of life
• Pocket vibrator, at times
• Calaboose compartment
• Con confines
• Square in a sudoku puzzle
• One may be eukaryotic
• Unit of living matter
• Compartment in honeycomb