Zygapophysis
Pronunciation : Zyg`a*poph"y*sis
Part of Speech : n.;
Etymology : [Gr. apophysis.] (Anat.)
Definition : Defn: One of the articular processes of a vertebra, of which there are usually four, two anterior and two posterior. See under Vertebra. -- Zyg`ap*o*phys"i*al, a.
pl. Zygapophyses.
Source : Webster's Unabridged Dictionary, 1913