noun
Refers to a lack of water, often due to dry weather, affecting supply for drinking, agriculture, etc.
今年の夏は水飢饉が心配されている。
A water shortage is feared this summer.
水飢饉のため、農作物に大きな被害が出た。
The drought caused serious damage to crops.
水不足 is a more everyday term for water shortage; 水飢饉 sounds more severe or formal.
Compound of 水 (water) and 飢饉 (famine), literally 'water famine'.