Meaning

• A great flood or rain.

  "The deluge continued for hours, drenching the land and slowing traffic to a halt."

• An overwhelming amount of something; anything that overwhelms or causes great destruction.

  "The rock concert was a deluge of sound."

• (military engineering) A damage control system on navy warships which is activated by excessive temperature within the Vertical Launching System.

Meaning

• To flood with water.

  "Some areas were deluged with a month's worth of rain in 24 hours."

• To overwhelm.

  "After the announcement, they were deluged with requests for more information."