The construction workers stacked the pillar blocks to build the foundation.

The mechanic replaced the worn-out pillar block in the machine.

The bundle of sticks stood tall like a pillar.

The Five Pillars of Islam are the five basic acts of worship that are considered mandatory for all Muslims.

I saw beautiful light pillars in the sky last night.

I saw a beautiful light pillar in the sky.

I saw a sand pillar forming in the desert.

The Pillars of Hercules mark the entrance to the Strait of Gibraltar.

The pillar harp is a beautiful instrument.

The museum displayed several pillar harps from ancient civilizations.