A table, formed in the shape of a tree, showing the genealogy of a family. See the arbor civilis of the civilians and canonists. Hale, Com. Law, 335. Arbor dum crescit, lignum cum ores cere nescit. [That which is] a tree while it grows, [is] wood when it ceases to grow. Cro. Jac. 166; Hob. 776, in marg.