Meaning of hydrator

hy•dra•tor

Pronunciation: (hī'drā-tur), [key]
— n.
  1. something that hydrates.
  2. a compartment or drawer, as in a refrigerator, for keeping perishable foods fresh and preventing moisture loss.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.