Wordnet 3.0
ADVERB (1)
1. 
 in addition; 
- Example: "computer chess games are getting cheaper all the time furthermore, their quality is improving"; 
- Example: "the cellar was dark moreover, mice nested there"; 
- Example: "what is more, there's no sign of a change"[syn: furthermore, moreover, what is more]
WordNet (r) 3.0 (2006):
what is more
    adv 1: in addition; "computer chess games are getting cheaper
           all the time; furthermore, their quality is improving";
           "the cellar was dark; moreover, mice nested there"; "what
           is more, there's no sign of a change" [syn:
           furthermore, moreover, what is more]