a. [ Gr. de`ndron tree + -form. ] Resembling in structure a tree or shrub; having a branching shape. Syn. -- arboreal, arboreous, arborescent, arboresque, arboriform, dendroid, dendroidal, treelike, tree-shaped. [ 1913 Webster +PJC ]
n. [ Gr. dendri`ths, fem. dendri^tis, of a tree, fr. de`ndron a tree: cf. F. dendrite. ] (Min.) A stone or mineral on or in which are branching figures resembling shrubs or trees, produced by a foreign mineral, usually an oxide of manganese, as in the moss agate; also, a crystallized mineral having an arborescent form, e. g., gold or silver; an arborization.
‖n.; pl.Zoodendria [ NL., fr. Gr. zw^, on an animal + &unr_; a tree. ] (Zool.) The branched, and often treelike, support of the colonies of certain Infusoria. [ 1913 Webster ]