A legal definition
Stewart B. McKinney Act, 42 U.S.C. § 11301, et seq. (1994)
a person who "lacks a fixed, regular, and adequate night-time residence and ... has a primary night time residency that is: (A) a supervised publicly or privately operated shelter designed to provide temporary living accommodations... (B) an institution that provides a temporary residence for individuals intended to be institutionalized, or (C) a public or private place not designed for, or ordinarily used as, a regular sleeping accommodation for human beings." 42 U.S.C. § 11302(a) The term "'homeless individual' does not include any individual imprisoned or otherwise detained pursuant to an Act of Congress or a state law." 42 U.S.C. § 11302.