马尾松 Traditional form: 馬尾松 Pinyin (reading): mǎwěisōng Definitions: Masson pine (Pinus massoniana, Chinese red pine, horsetail pine) Characters: 马 - horse; surname 尾 - tail; extremity, end; back, rear 松 - pine tree; fir tree Traditional characters: 馬 - horse; surname 尾 - tail; extremity, end; back, rear 松 - pine tree; fir tree