seatmate

seat +‎ -mate

seatmate (plural seatmates)

1. One who shares a seat (such as a bench or other surface that seats more than one).
2. One who sits next to another.

   My seatmate on the airplane snored incessantly.

   • 2020 February 14, Andy Greenberg, “Signal Is Finally Bringing Its Secure Messaging to the Masses”, in Wired‎:

     Last month, the cryptographer and coder known as Moxie Marlinspike was getting settled on an airplane when his seatmate, a Midwestern-looking man in his sixties, asked for help.

• meat teas