Definition of seatmate
: one with whom one shares a seat (as in a vehicle with double or paired seats)
Examples of seatmate in a sentence
My seatmate on the flight to Rome was very friendly.
First Known Use of seatmate
SEATMATE Defined for English Language Learners
Definition of seatmate for English Language Learners
: a person who sits next to you on a bus, airplane, etc.
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Seen and Heard
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