"Sarcinic" is a word that does not appear in standard English dictionaries. However, it could possibly be a variant of "sarcina," a term used in microbiology to describe a type of spherical bacteria that grows in clusters. The spelling of "sarcinic" could be explained using the International Phonetic Alphabet (IPA) as /sɑrˈsɪnɪk/, with stress on the second syllable and a final "k" sound to indicate its potential as an adjective. However, its usage as a word in modern English is uncertain.
Relating to the genus Sarcina.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.