pillar UK /ˈpɪlə/US /ˈpɪlɚ/noun 7verb 1forms 3phrases 1 noun7 •A large post, often used as supporting architecture. •(figurative) An essential part of something that provides support.He's a pillar of the community. •A portable ornamental column, formerly carried before a cardinal, as emblematic of his support to the church. •Something resembling such a structure. •A vertical, often spire-shaped, natural rock formation. •The body from the hips over the core to the shoulders. •The centre of the volta, ring, or manege ground, around which a horse turns. verb1 •To provide with pillars or added strength as if from pillars.We discovered this new class of compounds in our search for a means of generating porosity by pillaring layered double hydroxides — 1996 formspillared · pillaring · pillars Phrases with pillar from pillar to postFrom one place, place, or thing to another, hither and thither.