(linguistics, with "the") The words, word-forms, and grammatical structures, taken collectively, that are normally used of people or things other than the speaker or the audience.

The third gear of an engine.

A sensation of dryness in the throat associated with a craving for liquids, produced by deprivation of drink, or by some other cause (such as fear, excitement, etc.) which stops the secretion of the pharyngeal mucous membrane.

(intransitive) To be thirsty. / (intransitive, usually followed by "for") To desire vehemently.

Needing to drink. / Causing thirst; giving one a need to drink (informal). / (figuratively) Craving something. / (slang, figuratively) Desiring sex.

(usually in the plural) One who is thirsty (for a drink, sex, alcohol, etc.). / Thirst.

The right of an airline of one country to land in a different country and deplane passengers coming from the airline’s own country.

The cardinal number immediately following thirty-seven and preceding thirty-nine.

The cardinal number immediately following thirty-five and preceding thirty-seven.

The cardinal number immediately following thirty-four and preceding thirty-six.