A lateral expansion of the nostrils or of the nasal bone; also as adjective.
Mid 19th century; earliest use found in William K. Parker (1823–1890), comparative anatomist and zoologist.
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。