Their
ahd-5
adjective.
Used as a modifier before a noun.
adjective.
His, her, or its.
The Century Dictionary and Cyclopedia
See
they
.
the GNU version of the Collaborative International Dictionary of English
preposition.
The possessive case of the personal pronoun
they
.
Wiktionary, Creative Commons Attribution/Share-Alike License
pronoun.
Belonging to, from, of, or relating to,
them
.
pronoun.
Belonging to someone of unspecified gender.