meningism

plural meningisms

1. countableuncountablemedicineA set of symptoms similar to those of meningitis but not caused by it, involving the triad of nuchal rigidity (neck stiffness), photophobia, and headache, a sign of irritation of the meninges.
2. broadlycountableinformaluncountablemedicineSuch symptoms as identified clinically but before knowledge of their cause is ascertained (that is, before diagnosis or before its confirmation); meningeal symptoms.