(rainier, rainiest)
1.
During a ~ day, season, or period it rains a lot.
The ~ season in the Andes normally starts in December.
ADJ: usu ADJ n
2.
If you say that you are saving something, especially money, for a ~ day, you mean that you are saving it until a time in the future when you might need it.
I’ll put the rest in the bank for a ~ day.
PHRASE