Dictionary
their
Pronunciation: (&thslash;âr; unstressed &thslash;ur), [key]—
pron.
1. a form of the possessive case of
they used as an attributive adjective, before a noun:
their home; their rights as citizens; their departure for Rome.
2. (used after an indefinite singular antecedent in place of the definite masculine form
his or the definite feminine form
her):
Someone left their book on the table. Did everyone bring their lunch? Cf.
theirs. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.