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

hoopoe \hoop"oe\, hoopoo \hoop"oo\, n. so called from its cry;
   cf. l. upupa, gr. ?, d. hop, f. huppe; cf. also g.
   wiedenhopf, ohg. wituhopfo, lit., wood hopper. zool.
   a european bird of the genus upupa upupa epops, having
   a beautiful crest, which it can erect or depress at pleasure,
   and a slender down-curving bill. called also hoop, whoop.
   the name is also applied to several other species of the same
   genus and allied genera.
see also:
upupa upupa epops hoop whoop 

[2] : WordNet (r) 2.0

upupa epops
     n : pinkish-brown hoopoe with black-and-white wings syn: euopean
         hoopoe
see also:
euopean hoopoe 

Upupa >> U Words
Upupa, definition of term: Upupa
upupa_pag1.html