coinmate

noun

coinmate

noun

Etymology From co- + inmate.

1

A fellow inmate.

Similarly, the person who had recognized him as coinmate from the concentration camp had herself never left Great Britain during the war.2013, Michael Linden, Krzysztof Rutkowski, Hurting Memories and Beneficial Forgetting, page 106:

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