Refers to systems with more than one network interface that do not function as routers because they do not forward packets. Multi-Homed Hosts are sought-after targets for crackers, because they connect to a number of different segments of a local network and, therefore, can serve as an excellent plotform for further attacks.
Wasserman, M. Multi-homed host. [Online, August 15, 2004.] Hypermail Development Center Website. http://dict.regex.info/ipv6/multi6/2002-10.mail/0000.html.