pillar
1. [ noun ] a fundamental principle or practice
Examples:

"science eroded the pillars of superstition"

Related terms: principle pillar_of_islam
2. [ noun ] a vertical structure standing alone and not supporting anything (as a monument or a column of air)
Synonyms: column
Related terms: structure obelisk totem_pole
3. [ noun ] a prominent supporter
Synonyms: mainstay
Examples:

"he is a pillar of the community"

Related terms: supporter
4. [ noun ] anything tall and thin approximating the shape of a column or tower
Synonyms: column tower
Examples:

"the test tube held a column of white powder" "a tower of dust rose above the horizon" "a thin pillar of smoke betrayed their campsite"

Related terms: shape columella hoodoo loom
5. [ noun ] Last name, frequency rank in the U.S. is 15084
6. [ noun ] (architeture) a tall cylindrical vertical upright and used to support a structure
Synonyms: column
Related terms: upright pile support_column atlas caryatid pilaster newel temple shaft pedestal entasis capital architecture
Similar spelling:   pilar
  pilary
  Piller
  pillory