Wordnet 3.0
NOUN (1)
1. 
 an implement with a flat part (of mesh or plastic) and a long handle; 
 used to kill insects; 
[syn: swatter, flyswatter, flyswat]
VERB (1)
1.  splash and flutter about in or as if in water; 
- Example: "She swattered about in the pool"
WordNet (r) 3.0 (2006):
swatter
    n 1: an implement with a flat part (of mesh or plastic) and a
         long handle; used to kill insects [syn: swatter,
         flyswatter, flyswat]
    v 1: splash and flutter about in or as if in water; "She
         swattered about in the pool"