a. 三重的, 分成三部分的

[ adj ]
involving three parties or elements
<adj.all>
a tripartite treatya tripartite division
a three-way playoff

Tripartite \Trip"ar*tite\, a. [L. tripartitus; tri- (see {Tri-})
+ partitus, p. p. of partiri to part, to divide. See {Part},
v. i.]
1. Divided into three parts; triparted; as, a tripartite
leaf.

2. Having three corresponding parts or copies; as, to make
indentures tripartite. --A. Smith.

3. Made between three parties; as, a tripartite treaty.