Definition of obelisk :
1. A mark of reference; - called also dagger . See Dagger, n., 2.
2. An upright, four- sided pillar, gradually tapering as it rises, and terminating in a pyramid called pyramidion. It is ordinarily monolithic. Egyptian obelisks are commonly covered with hieroglyphic writing from top to bottom.
3. To mark or designate with an obelisk.
pillar (part of speech: noun)
- Far off, on the summit of the green heights of Portsdown Hill, we could see the obelisk- shaped monument to Nelson, an appropriate landmark in sight of the last spot of English ground on which he stepped before sailing to fight the great battle of Trafalgar, where he fell. - "A Yacht Voyage Round England", W.H.G. Kingston.
- It is a very large place; in the centre of it stands an obelisk, which is four thousand years old. - "The Sand-Hills of Jutland", Hans Christian Andersen.
- A granite obelisk, with the name of Uncas in relief at its base, erected by citizens of Norwich, stands within the inclosure. - "Nooks and Corners of the New England Coast", Samuel Adams Drake.