ripal,a.rare.|ˈraɪpəl| [f. L. rīpa bank + -al1.] = riparian a.1 1. 1867W. Peard Year of Liberty 288 Companies, with shares in the ratio of ripal rights.1868― Water-farm. ii. 16 With powers to..allot shares in the ratio of the ripal rights of each landed proprietor.