- (n.) The general and popular term for a firm, upright, insulated support for a superstructure; a pier, column or post; also, a column or shaft not supporting a superstructure, as one erected for a monument or an ornament.
- (n.) A portable ornamental column, formerly carried before a cardinal, as emblematic of his support to the church.
- (n.) Figuratively, that which resembles such a pillar in appearance, character or office; a supporter or mainstay; as, the Pillars of Hercules; a pillar of the state.
- (a.) Having a support in the form of a pillar, instead of legs; as, a pillar drill.
- (n.) The center of the volta, ring or manege ground, around which a horse turns.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). pillar. Retrieved September 21, 2026, from http://smartdefine.org/pillar/definitions/2045548 |
| Chicago | Webster's. 2011. "pillar" http://smartdefine.org/pillar/definitions/2045548 (accessed September 21, 2026). |
| Harvard | Webster's 2011, pillar, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/pillar/definitions/2045548>. |
| MLA | Webster's. "pillar" 27 May 2011. Web. 21 September 2026. <http://smartdefine.org/pillar/definitions/2045548> |