D defs.my
Entry 5 senses · 2 variants Webster, 1913

Pillar

/pĭl'-ẽr/ · Pil·lar · IPA /ˈpɪlɚ/
01 n. The general and popular term for a firm, upright, insulated support for a superstructure; a pier, column, or post; also, a column or shaft …
  1. 1.
    The general and popular term for a firm, upright, insulated support for a superstructure; a pier, column, or post; also, a column or shaft not supporting a superstructure, as one erected for a monument or an ornament.
    “Jacob set a pillar upon her grave.” — Gen. xxxv. 20.
    “The place . . . vast and proud, Supported by a hundred pillars stood.” Dryden.
  2. 2.
    Figuratively, that which resembles such a pillar in appearance, character, or office; a supporter or mainstay; as, the Pillars of Hercules; a pillar of the state.
    “By day a cloud, by night a pillar of fire.” Milton.
  3. 3.
    A portable ornamental column, formerly carried before a cardinal, as emblematic of his support to the church.(R. C. Ch.) [Obs.]
  4. 4.
    The center of the volta, ring, or manege ground, around which a horse turns.(Man.)
Phrases & compounds
From pillar to post — hither and thither; to and fro; from one place or predicament to another; backward and forward.
Pillar saint — See Stylite.
Pillars of the fauces — See Fauces, 1.
02 a. Having a support in the form of a pillar, instead of legs; as, a pillar drill.
  1. 1.
    Having a support in the form of a pillar, instead of legs; as, a pillar drill.(Mach.)