Possible Clues:

• Passage to a piece of land accessible only by sea
• Divide in a church
• "Cleanup in ___ four" (supermarket request)
• Here comes the bride with a key
• 'I will', shortly to be heard here?
• 'Passage, gangway (5)'
• Airplane seat with easy bathroom access
• Passage down the side of a church nave
• Air traveler's choice
• Oral promise: that would-be bride hopes to make it up!