gnomon, gnomonics – A gnomon is the pillar or rod that casts a shadow on a sundial; gnomonics is the art or science of dialing or of constructing dials to show the hour of the day by the shadow of a gnomon. More…
pilaster – First referred to a square or rectangular column or pillar. More…
pillar – From Latin pila, “pillar,” the source of compile, pilaster, and pile. More…
column – Its underlying notion is of “height, command, extremity,” and it comes from Latin columna, “pillar,” which probably came from columen/culmen, “top, summit.” More…