noun ·Rare ·Advanced level

Definitions

Noun

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

   "My seatmate on the airplane snored incessantly."

Example

More examples

"Ziri drove Rima's seatmate away and sat beside her."

Etymology

From seat + -mate.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.