a shallow salt lake in south central Australia about 35 feet below sea level; the largest lake in the country and the lowest point on the continent
"The tour guide stopped at Lake Eyre to explain that during heavy rains, it transforms into a vast inland sea despite usually sitting as a dry salt pan."
A journey in circuit of certain itinerant judges called justices in eyre (or in itinere).
"The medieval sheriff organized a grand judicial tour across the shires, known historically as an eyre."
A surname.
"Many people mistakenly think that Eyre is a place, but it actually originated as an ancient English surname."