Glossary

Cistern

Harry attempted a Leg-Locker Curse that backfired off the wall behind Malfoy's ear and smashed the cistern beneath Moaning Myrtle (HBP24)

Definition

In general, this means any artificial reservoir for storing water, but the books use it mainly to refer to what in the U.S. would be called a toilet tank.

Commentary

Pensieve (Comments)

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