'osage orange' definitions:

Definition of 'osage orange'

(from WordNet)
noun
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 [syn: osage orange, bow wood, mock orange, Maclura pomifera]