Related Clues:

• Pullman or caboose
• Vacationer's rental
• Essex or Duesenberg, memorably
• Suburban necessity
• ''Port'' starter
• Cattle __
• Motor vehicle
• Roller coaster part
• Cream puff, perhaps
• Sedan or convertible
• Occasional beeper
• It must be tired to work
• Port or fare starter
• Skylark or Firebird
• Non-necessity in NYC