osage orange

Từ điển WordNet v3.1 - WordNet Dictionary

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:
bow wood, mock orange, Maclura pomifera
• Hypernyms:
angiospermous yellowwood