(1):
(v. t.) To mark or designate with an obelisk.
(2):
(n.) 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):
(n.) A mark of reference; - called also dagger [/]. See Dagger, n., 2.