The bed on which a person dies or lies dying; also used figuratively for the final moments of something ending.
From death + bed, a compound word. Used since at least the 1500s to refer to the literal bed where someone was dying.
Famous 'deathbed scenes' often reveal unexpected truths in literature and film because in that final moment, people supposedly speak their most honest truths—which is why so many mystery novels climax with a deathbed confession.
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