vierseitig

Adjective

 * 1) four-page
 * 2) four-sided, tetragonal, quadrangular, quadrilateral having four sides and four angles
 * 3) four-party; quadripartite involving four parties or participants
 * 1) four-sided, tetragonal, quadrangular, quadrilateral having four sides and four angles
 * 2) four-party; quadripartite involving four parties or participants
 * 1) four-party; quadripartite involving four parties or participants
 * 1) four-party; quadripartite involving four parties or participants