term:

Dependent

dependent adj

1 : determined or conditioned by another
: contingent
2 a : relying on another for esp. financial support
b : lacking the necessary means of support or protection and in need of aid from others (as a public agency) [have the child declared and taken away from his or her parents "L. H. Tribe"]
3 : subject to another's jurisdiction [the United States and its territories]
n : a person who is dependent
;esp
: a close relative or member of a taxpayer's household who receives over half of his or her support from the taxpayer and is a U.S. citizen, national, or resident, or a resident of a bordering country (as Mexico) see also dependency exemption at exemption

Source: Merriam-Webster's Dictionary of Law ©1996. Merriam-Webster, Incorporated. Published under license with Merriam-Webster, Incorporated.