eta meaning, definition, what is eta: the seventh letter of the Greek alphabet. Learn more.
shafts definition, shafts meaning | English dictionary. shaft. 1 the long narrow pole that forms the body of a spear, arrow, etc. 4 a rod or pole forming the handle of a hammer, axe, golf club, etc.
Pillar. A column or post supporting an arch or other superimposed load. Clustered or compound pillars consist of a central shaft with smaller shafts that are grouped around it.