NOUN (1)

1. one of a pair of swinging doors (as at the entrance to a western saloon);


ADJECTIVE (1)

1. formed or shaped like a bat's wing;
- Example: "a dress with batwing sleeves"

The Collaborative International Dictionary of English v.0.48:

Bat's-wing \Bat's"-wing"\or Batwing \Bat"wing\, a.
   Shaped like a bat's wing; as, a bat's-wing burner.
   [1913 Webster]

WordNet (r) 3.0 (2006):

batwing
    adj 1: formed or shaped like a bat's wing; "a dress with batwing
           sleeves"
    n 1: one of a pair of swinging doors (as at the entrance to a
         western saloon)