noun
: any butterfly of the genus Urbanus or Chioides (family Hesperiidae) marked by a prolongation of the posterior margin of each hindwing which suggests a tail
noun
: any butterfly of the genus Urbanus or Chioides (family Hesperiidae) marked by a prolongation of the posterior margin of each hindwing which suggests a tail
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012