Related Clues:

• The 'U' of B.T.U.
• Cohesive entity
• Hospital division
• Single item
• ''One Adam Twelve,'' e.g.
• Military assignment
• Rental space
• Single thing
• Knot or watt
• Ton, for one
• Collegian's credit
• Constituent of a whole
• Family ___
• Segment covered by a test, perhaps
• One piece of a sectional sofa