Read the dictionary definition of pillar. All definitions for this word.
1. (architecture) a tall vertical cylindrical structure standing upright and used to support a structure
2. a vertical cylindrical structure standing alone and not supporting anything (such as a monument)
3. a fundamental principle or practice
1. science eroded the pillars of superstition
4. a prominent supporter
1. he is a pillar of the community
5. anything that approximates the shape of a column or tower
1. the test tube held a column of white powder
2. a tower of dust rose above the horizon
3. a thin pillar of smoke betrayed their campsite
