Meaning of humidifier

hu•mid•i•fi•er

Pronunciation: (hy-mid'u-fī"ur or, often, y-), [key]
— n.
  1. a device for increasing the amount of water vapor in the air of a room or building, consisting of a container for water and a vaporizer.
  2. any device for regulating the amount of water vapor in a specific container or area.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.