Wordnet 3.0
NOUN (1)
1. 
 an ancient (now obsolete) single-reed woodwind; 
 usually made of bone; 
[syn: hornpipe, pibgorn, stockhorn]
WordNet (r) 3.0 (2006):
pibgorn
    n 1: an ancient (now obsolete) single-reed woodwind; usually
         made of bone [syn: hornpipe, pibgorn, stockhorn]