roman à clef[rō′män nä klā′]
a novel in which real persons appear under fictitious names
Origin of roman à clefFrench novel with a key
roman à clef
nounpl. ro·mans à clef
A novel in which actual persons, places, or events are depicted in fictional guise.
Origin of roman a clefFrench : roman, novel + à, with + clef, key.