aisle

noun7

1. •
   A clear path/passage through rows of seating.
2. •
   A clear corridor in a supermarket with shelves on both sides containing goods for sale.
3. •
   Any path through an otherwise obstructed space.
4. •
   The path of a wedding procession in a church or other venue; (by extension, metonymic) marriage.

   • You ask her if she loves you, she answers, "I do" / Your heart starts glowing inside / And then you will know she is just for you / While each step, draws you closer to the aisle — 1957
5. •
   (US) An idiomatic divide between the Republican Party and the Democratic Party, who are said to be on two sides of the aisle.
6. •
   Seat in public transport, such as a plane, train or bus, that's beside the aisle.

   • Do you want to seat window or aisle?
7. •
   A wing of a building, notably in a church separated from the nave proper by piers.