Available Definitions:
1) a. - Involving or exhibiting symmetry; proportional in parts; having its parts in due proportion as to dimensions; as, a symmetrical body or building.
2) a. - Having the organs or parts of one side corresponding with those of the other; having the parts in two or more series of organs the same in number; exhibiting a symmetry. See Symmetry , 2.
3) a. - Having an equal number of parts in the successive circles of floral organs; -- said of flowers.
4) a. - Having a likeness in the form and size of floral organs of the same kind; regular.
5) a. - Having a common measure; commensurable.
6) a. - Having corresponding parts or relations.