birdie

from WordNet (r) 3.0 (2006)

birdie
    n 1: (golf) a score of one stroke under par on a hole
    2: badminton equipment consisting of a ball of cork or rubber
       with a crown of feathers [syn: {shuttlecock}, {bird},
       {birdie}, {shuttle}]
    v 1: shoot in one stroke under par

from The Collaborative International Dictionary of English v.0.48

Birdie \Bird"ie\, n.
   A pretty or dear little bird; -- a pet name. --Tennyson.
   [1913 Webster]