Definition of: thirst

(thûrst) noun
1. A distressful feeling of dryness in the throat and mouth, accompanied by an increasingly urgent desire for liquids.
2. The physiological condition which produces this feeling.
3. Any eager desire; a longing or craving: a thirst for glory. See synonyms under APPETITE.
—v.i.
1. To feel thirst; be thirsty.
2. To have an eager desire or craving; long; yearn. [OE thurst]
—thirst′er noun