campanal,a.rare—1.|ˈkæmpənəl| [f. late L. campāna bell + -al1.] †1. Bell-shaped. Obs. 1571Digges Pantom. (1591) 177 Conicall or Campanall. 2.Campanal Alliance: in Bot. Lindley's name for his alliance of natural orders, of which the Campanulaceæ or Bell-flowers were the type.