Wordnet 3.0
NOUN (1)
1. 
 (baseball) a turn trying to get a hit; 
- Example: "he was at bat when it happened"- Example: "he got four hits in four at-bats"[syn: bat, at-bat]
WordNet (r) 3.0 (2006):
at-bat
    n 1: (baseball) a turn trying to get a hit; "he was at bat when
         it happened"; "he got four hits in four at-bats" [syn:
         bat, at-bat]