synapticulum
noun
syn·ap·tic·u·lum
ˌsiˌnapˈtikyələm,
sə̇ˌn-
plural synapticula
-lə
: one of numerous conical or cylindrical calcareous processes that extend between and unite the adjacent septa of some corals
Word History
Etymology
New Latin, from Greek synaptos + New Latin -i- + Latin -culum, neuter diminutive suffix