ˌärkəˈmē(ˌ)dēz noun
Etymology: New Latin, from Archimedes died 212 b.c.; from the screwlike axis
1. capitalized : a genus of extinct colonial bryozoans having a spiral screwlike axis and being typical of Mississippian formations but known also from Pennsylvanian and Permain rocks
2. plural archimedes : any bryozoan or fossil of the genus Archimedes