Related Clues:

• One of a kind?
• Course division
• The 'U' of B.T.U.
• Cohesive entity
• Hospital division
• See 34-Down
• Single item
• Chinese mammal
• Bamboo eater
• ''One Adam Twelve,'' e.g.
• Military assignment
• Rental space
• Single thing
• Knot or watt
• Ton, for one