Related Clues:

• Scarce
• Hit on the head
• With 31-Across, ad come-on #2
• Put a cap on
• Sort of edition
• Corporate designation
• Restricted
• Made a king
• Constrained
• See 81 Across and 5 Down
• Like a king or queen
• Like some editions
• Train type
• Restricted or finite
• Confined within bounds