Pronunciation: (thûrst),[key] —n. 1. a sensation of dryness in the mouth and throat caused by need of liquid.
2. the physical condition resulting from this need, in any of various degrees: They almost died of thirst. 3. strong or eager desire; craving: a thirst for knowledge.
—v.i. 1. to feel thirst; be thirsty.
2. to have a strong desire.