their
their \th*r, (.)the(*)r, (.)tha(*)r\ aj [ME, fr. their, pron., fr. ON theirra, gen. pl. demonstrative & per]sonal pron.; akin to OE tht that 1: of or relating to them or themselves esp. as possessors {~ furn iture}, agents {~ verses}, or objects of an action {~ being seen} 2: his or her : HIS, HER, ITS - used with an indefin ite singular antecedent {anyone in ~ senses -W. H. Auden}