Their (?), pron. & a. [OE. thair, fr. Icel. þeirra, þeira, of them, but properly gen. pl. of the definite article; akin to AS. ðāra, ð&aemacr_;ra, gen. pl. of the definite article, or fr. AS. ð&aemacr_;ra, influenced by the Scandinavian use. See That.] The possessive case of the personal pronoun they; as, their houses; their country.
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&hand_; The possessive takes the form theirs (&unr_;) when the noun to which it refers is not expressed, but implied or understood; as, our land is richest, but theirs is best cultivated.
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Nothing but the name of zeal appears
'Twixt our best actions and the worst of theirs. Denham.
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