Webster's 1828 Dictionary
APTERAL
a.[Supra. ] Destitute of wings.
Webster's 1913 Dictionary
APTERA
Ap "te *ra, n. pl. Etym: [NL. aptera, fr. Gr. (Zoöl.)
Defn: Insects without wings, constituting the seventh Linnæn order of insects, an artificial group, which included Crustacea, spiders, centipeds, and even worms. These animals are now placed in several distinct classes and orders.
APTERAL
APTERAL Ap "ter *al, a.
1. (Zoöl.)
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.
APTERAN
APTERAN Ap "ter *an, n. (Zoöl.)
Defn: One of the Aptera.