cistern(redirected from lumbar cistern)
Also found in: Dictionary, Thesaurus, Medical, Encyclopedia.
Related to lumbar cistern: cauda equina, Filum terminale, Denticulate ligament, epidural space, Lateral horn, supracristal plane, Spinal meninges
A container for the collection of rainwater. Many historic homes had gutters and downspouts that routed all water into a cistern beneath the house to be used as a water source for cooking,cleaning,and in the event of fire.