\Sym"phy*sis\, n.; pl. {Symphyses}. [NL., fr. Gr. ?, fr. ? to make to grow together; sy`n with + ? to cause to grow; to grow.] (Anat.) (a) An articulation formed by intervening cartilage; as, the pubic symphysis. (b) The union or coalescence of bones; also, the place of union or coalescence; as, the symphysis of the lower jaw. Cf. {Articulation}.