Whistling swan Meaning, Definition & Usage

  1. noun North American subspecies of tundra swan having a soft whistling note
    Cygnus columbianus columbianus.

WordNet


Definitions
  1. . (Zoöl.) (a) The European whooper swan; called also wild swan, and elk. (b) An American swan (Olor columbianus). See under Swan.

Webster 1913