The Collaborative International Dictionary of English v.0.48:

Chebacco \Che*bac"co\, n. [From Chebacco, the former name of
   Essex, a town in Massachusetts where such vessels were
   built.] (Naut.)
   A narrow-sterned boat formerly much used in the Newfoundland
   fisheries; -- called also pinkstern and chebec.
   --Bartlett.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Chebec \Che"bec\, n. (Naut.)
   See Chebacco.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Chebec \Che*bec"\, n. [Named from its note.] (Zool.)
   A small American bird (Empidonax minimus); the least
   flycatcher.
   [1913 Webster]