Cistem Aperio

Type: Charm

Pronunciation: SIS-tem uh-PE-ree-o

Description: Opens chests and boxes.

Seen/Mentioned: This spell was used by Tom Riddle to open the chest in which Aragog was hidden. It was only seen in the film.

Etymology: Aperio is Latin for "uncover" or "open"; Cista is Latin for "trunk" or "chest".