• (n.) A tubercle projecting from the anterior articular processes of some vertebr/; a mammillary process.
Met`a·poph'y·sis noun ; plural Metapophyses . [ New Latin See Meta- , and Apophysis .] (Anat.) A tubercle projecting from the anterior articular processes of some vertebræ; a mammillary process. 
Type: Term Pronunciation: met′ă-pof′i-sis Synonyms: mammillary process of lumbar vertebra