Related Clues:

• Engine valve
• No frill, this
• It's not an option
• Quantity of food eaten
• Urgent want
• Financial aid basis
• Dietician's concern
• It might be dire
• Food or water, e.g.
• '___ a lift?'
• Be unable to function without
• Pipe opening
• Absolutely require
• Quantity consumed
• "A friend in ___ is . . ."