Any of various horseflies or deer flies (family Tabanidae) that bite the ears of horses; especially Chrysops vittatus.
Early 19th century; earliest use found in Meriwether Lewis (1774–1809).
英语词典包含464360条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。