Search Result for "bilaterally": 
Wordnet 3.0

ADVERB (2)

1. with the involvement of two parties or governments;
- Example: "they worked out an agreement bilaterally"

2. so as to involve two sides or parts; 



WordNet (r) 3.0 (2006):

bilaterally
    adv 1: with the involvement of two parties or governments; "they
           worked out an agreement bilaterally"
    2: so as to involve two sides or parts