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sicklebill

American  
[sik-uhl-bil] / ˈsɪk əlˌbɪl /

noun

  1. any of various birds having a long, curved bill, as the long-billed curlew or curve-billed thrasher.


sicklebill British  
/ ˈsɪkəlˌbɪl /

noun

  1. any of various birds having a markedly curved bill, such as Falculea palliata, a Madagascan bird of the family Vangidae, Hemignathus procerus, a Hawaiian honey creeper, and certain hummingbirds and birds of paradise

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of sicklebill

An Americanism dating back to 1870–75; sickle + bill 2