noun, plural zyg·a·poph·y·ses [zig-uh–pof–uh-seez, zahy-guh-] /ˌzɪg əˈpɒf əˌsiz, ˌzaɪ gə-/. Anatomy.
- one of the four processes of a vertebra, occurring in pairs that interlock each vertebra with the vertebrae above and below.
noun plural -ses (-ˌsiːz)
- anatomy zoology one of several processes on a vertebra that articulates with the corresponding process on an adjacent vertebra