释义 |
too·na I. \ˈtünə\ noun Usage: capitalized Etymology: New Latin, from English toon (II) : a small genus of Old World trees (family Meliaceae) closely related to Cedrela but having a short disk and completely winged seeds II. noun (-s) Etymology: Mexican Spanish tuna : a Mexican tree (Castilloa elastica) that is a minor source of rubber — compare caucho |