Synonyms for Osage Orange (same or very similar meaning)
WordNet sense 1 (small shrubby deciduous yellowwood tree of south central United States having spines, glossy dark green leaves and an inedible fruit that resembles an orange; its hard orange-colored wood used for bows by native Americans; frequently planted as boundary hedge):
mock orange, bow wood, Maclura pomiferaFrom the ODE community, based on WordNetadd/edit