Simple past tense and past participle of pillar. (verb)(verb)
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Use "pillared" in a sentence
"The reception was chattering away in the large formal area upstairs known as the pillared crowing-room."
"Out from this court they walked through a kind of pillared cloister, and the façades of the house as they passed on, were beautiful in pure simplicity of line; so white, they seemed to turn the sun on them to moonlight; so jewelled with bands and plaques of lovely tiles, that they were like snowy shoulders of a woman hung with necklaces of precious stones."
"Hand in hand they ran down the path to the tree-pillared room."