Anat. [mod.L., f. Gr. συμποδ-, σύμπους adj. with the feet together + -IA.] A malformation in which the legs or lower extremities are united.
1848. Dunglison, Med. Lex. (ed. 7).
184952. Todds Cycl. Anat., IV. 964. Sympodia or Siren-like form is the fourth species of defective formation of the trunk.
1912. Keith, Human Body, viii. 124.