bongrace

from The Collaborative International Dictionary of English v.0.48

Bongrace \Bon"grace`\ (b[o^]n"gr[=a]s`), n. [F. bon good +
   gr[^a]ce grace, charm.]
   A projecting bonnet or shade to protect the complexion; also,
   a wide-brimmed hat. [Obs.]
   [1913 Webster] Bonhomie