Wordnet 3.0
ADJECTIVE (1)
1. 
 involving two parts or elements; 
- Example: "a bipartite document"- Example: "a two-way treaty"[syn: bipartite, two-part, two-way]
WordNet (r) 3.0 (2006):
two-part
    adj 1: involving two parts or elements; "a bipartite document";
           "a two-way treaty" [syn: bipartite, two-part, two-
           way]