Definitions
There is 1 meaning of the phrase
Rain Date.
Rain Date - as a noun
An alternative date set for some outdoor event in case it rains on the appointed date
Example: "The rain date for the picnic will be the following sunday"
Example Sentences
"I hope it doesn't rain on our picnic; otherwise, we'll need a rain date."
"The concert has been rescheduled to the rain date."
"In case of bad weather, the wedding has a rain date set for the following day."
"We had to postpone the outdoor party and use the rain date instead."
"The baseball game got rained out, but they announced a rain date for tomorrow."