[1] : The Collaborative International Dictionary of English v.0.48

hooper \hoop"er\, n. zool. so called from its note.
   the european whistling, or wild, swan olor cygnus; --
   called also hooper swan, whooping swan, and elk. hoopoe
see also:
olor cygnus hooper swan whooping swan elk 

[2] : The Collaborative International Dictionary of English v.0.48

whooping \whoop"ing\,
   a.  n. from whoop, v. t.
   1913 webster

   whooping cough med., a violent, convulsive cough,
      returning at longer or shorter intervals, and consisting
      of several expirations, followed by a sonorous
      inspiration, or whoop; chin cough; hooping cough.
      --dunglison.

   whooping crane zool., a north american crane crus
      americana noted for the loud, whooplike note which it
      utters.

   whooping swan zool., the whooper swan. see the note under
      swan.
      1913 webster
see also:
whoop whooping cough whooping crane crus americana whooping swan swan 

Swan >> S Words
Swan, definition of term: Swan
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Whooping >> W Words
Whooping, definition of term: Whooping
whooping_pag1.html

Whooping Cough >> W Words
Whooping Cough, definition of term: Whooping Cough
whooping+cough_pag1.html

Swan Song >> S Words
Swan Song, definition of term: Swan Song
swan+song_pag1.html

Swan Dive >> S Words
Swan Dive, definition of term: Swan Dive
swan+dive_pag1.html

Whooping Crane >> W Words
Whooping Crane, definition of term: Whooping Crane
whooping+crane_pag1.html

Whistling Swan >> W Words
Whistling Swan, definition of term: Whistling Swan
whistling+swan_pag1.html