What is the meaning of Socle?

A low plinth or pedestal used to display a statue or other artwork.

A plain face or plinth at the foot of a wall.

The sum of the minimal normal submodules of a given R-module of a given ring R.

The subgroup generated by the minimal normal subgroups of a given group.

plinth, pedestal, socle

basis, foundation, core idea

basement (mass of rock underlying sedimentary cover)

Source: wiktionary.org