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.
APTERAN
Ap"ter*an, n. (Zoöl.)
Defn: One of the Aptera.
APTERIA
Ap*te"ri*a, n. pl. Etym: [NL. See Aptera.] (Zoöl.)
Defn: Naked spaces between the feathered areas of birds. See
Pteryliæ.
APTEROUS
Ap"ter*ous, a.
1. (Zoöl.)
Defn: Destitute of wings; apteral; as, apterous insects.
2. (Bot.)