sym·phy·sis (sĭm'fĭ-sĭs) n.
pl.sym·phy·ses (-sēz')
A growing together of bones originally separate, as of the two pubic bones or the two halves of the lower jawbone.
A line or junction thus formed.
An articulation in which bones are united by cartilage without a synovial membrane.
The coalescence of similar parts or organs.
[Greek sumphusis, from sumphuein, to cause to grow together : sun-, syn- + phuein, to cause to grow; see bheuə- in Indo-European roots.] sym'phy·se'al (sĭm'fĭ-sē'əl), sym·phys'i·al (sĭm-fĭz'ē-əl) adj.