Shrinking Charm

Reducio (re-DOO-see-oh) Counter-spell to: Engorgio

"redusen" Middle Eng. diminish, from "reducer" Old Fr. bring back to the source, from "reducere" L. bring, lead

Causes an Engorged object to return to its normal size.

The fake Moody, who had enlarged a spider with an Engorgement Charm, used this to return it to its normal size.

Harry, who had enlarged a spider with an Engorgement Charm, tried to use this to return it to its normal size, but it didn't work in Harry Potter and the Deathly Hallows.