noun, plural symphyses [sim-fuh-seez] . Anatomy, Zoology.
the growing together, or the fixed or nearly fixed union, of bones, as that of the two halves of the lower jaw in humans or of the pubic bones in the anterior part of the pelvic girdle.
a line of junction or articulation so formed.

1570–80; < Neo-Latin < Greek sýmphysis a growing together, equivalent to sym- sym- + phýsis, equivalent to phy-, stem of phȳ́ein to grow (see be) + -sis -sis

symphystic [sim-fis-tik] , adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
symphysis (ˈsɪmfɪsɪs)
n , pl -ses
1.  anatomy, botany a growing together of parts or structures, such as two bony surfaces joined by an intermediate layer of fibrous cartilage
2.  a line marking this growing together
3.  pathol an abnormal adhesion of two or more parts or structures
[C16: via New Latin from Greek sumphusis, from sumphuein, from syn- + phuein to grow]

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

symphysis sym·phy·sis (sĭm'fĭ-sĭs)
n. pl. sym·phy·ses (-sēz')

  1. A form of cartilaginous joint in which union between two bones is effected by fibrocartilage without a synovial membrane.

  2. A union, meeting point, or commissure of two structures.

  3. A growing together of bones originally separate, as of the two pubic bones.

  4. A line or junction thus formed.

  5. A pathological adhesion or growing together.

The American Heritage® Stedman's Medical Dictionary
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Example sentences
At birth the bone consists of two parts, united by a fibrous symphysis, in which ossification takes place during the first year.
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