a. 无柱式的

[ adj ]
lacking columns or pillars
<adj.all>

Astylar \A*sty"lar\, a. [Gr. 'a priv. + ? pillar.] (arch.)
Without columns or pilasters. --Weale.

noncolumned \noncolumned\ adj. (Arch.)
not having columns. [Narrower terms: {astylar}; {unpillared}]
{columned}

Syn: uncolumned.
[WordNet 1.5]