- a region or locality in which the population is generally affected by the occurrence of a major disaster, as a widespread flood, an explosion causing extensive damage, or the like.
- such a region or locality officially determined to be eligible, under statutory provisions, for emergency governmental relief.
Origin of disaster area
First recorded in 1955–60
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018