inholder

in·hold·ing

I0143400 (ĭn′hōl′dĭng)n. A privately owned parcel of land within the boundaries of a federal preserve, especially within a national park or national seashore.
in′hold′er n.

inholder

(ˈɪnˌhəʊldə) n (Law) property law a person who owns or holds an inholding; the inhabitant of an inholding