It can be a noun or an adjective. The adjective describes a four-sided shape or area.
An antonym is an "opposite name" such as small and big are antonyms. A synonym is a "together name" such as small and little are synonyms. An obelisk is a 4-sided stone pillar. Synonyms include column, monolith, monument, pillar, pylon, tower. There are no listed antonyms for the word obelisk.
four sided two sides are parallel can be a shape from Ironside
You tap the four sided arrow & tap the nuclear mushroom cloud.
A pedestal flower arrangement is a tall, free standing arrangement. It can either be on a decorative pillar or a plain stand. Pedestal arrangements can vary in height but are generally about three feet tall.
obelisk
Pyramid
Obelisk
The obelisk is the architectural style of the Washington Monument. An obelisk is a tall, four-sided pillar with a pyramid-shaped top.
The Washington monument
an obelisk
An obelisk. The Washington Monument in Washington DC is an example.
Obelisk- four-sided stone pillar
Megan Pillar is 5' 2".
Patricia Pillar is 170 cm.
A tall four sides structure with a pyramid on the top was called
A four sided polygon is a quadrilateral.