horse chest·nut
noun/ˌhɔːs ˈtʃesnʌt/
/ˌhɔːrs ˈtʃesnʌt/
- a large tall tree with spreading branches, white or pink flowers and nuts that grow inside cases that are covered with short spikes
enlarge image七叶树；马栗 - the smooth brown nut of the horse chestnut tree
七叶树的坚果
Word Originlate 16th cent.: translating (now obsolete) botanical Latin Castanea equina; its fruit is said to have been an Eastern remedy for chest diseases in horses.