godan verb (-su), intransitive verb
be thirsty; be dry
Rare, literary, or archaic intransitive verb. Modern Japanese normally uses 喉が渇く or 乾燥する for dryness. The form 渇する is more common than 渇す.
See also: 渇する
古い文章では「喉が渇す」のような表現が見られることがある。
In old writing, expressions like 喉が渇す can sometimes be seen.
The historical derivation is uncertain; the kanji 渇 is conventionally associated with thirst and dryness.