Symmetrical

1. a. Having corresponding parts or relations.
2. a. Involving or exhibiting symmetry; proportional in parts; having its parts in due proportion as to dimensions; as, a symmetrical body or building.
3. 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.
4. a. Having an equal number of parts in the successive circles of floral organs; — said of flowers.
5. a. Having a likeness in the form and size of floral organs of the same kind; regular.
6. a. Having a common measure; commensurable.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.