Apteral
Pronunciation : Ap"ter*al
Part of Speech : a.
Definition : 1. (Zo?l.)
Defn: Apterous.
2. (Arch.)
Defn: Without lateral columns; -- applied to buildings which have no series of columns along their sides, but are either prostyle or amphiprostyle, and opposed to peripteral. R. Cyc.
Source : Webster's Unabridged Dictionary, 1913