The Collaborative International Dictionary of English v.0.48:
noncolumned \noncolumned\ adj. (Arch.) not having columns. [Narrower terms: astylar; unpillared] columned Syn: uncolumned. [WordNet 1.5]The Collaborative International Dictionary of English v.0.48:
Astylar \A*sty"lar\, a. [Gr. 'a priv. + ? pillar.] (arch.) Without columns or pilasters. --Weale. [1913 Webster]WordNet (r) 3.0 (2006):
astylar adj 1: lacking columns or pillars