Source : Webster's Revised Unabridged Dictionary (1913)

Bawcock \Baw"cock\, n. [From F. beau fine + E. cock (the bird);
   or more prob. fr. OF. baud bold, gay + E. cock. Cf. {Bawd}.]
   A fine fellow; -- a term of endearment. [Obs.] ``How now, my
   bawcock ?'' --Shak.