tablemate

noun

tablemate

noun

Etymology From table + -mate.

1

Someone with whom one shares a table.

If you are on a ship that has two traditional dinner seatings, arrive at your table on time. Your tablemates will appreciate it and so will the waiters.2003, Georgina Cruz, Cruises: How to Sail in Style for Less, page 223:

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.