'Hypaethral' definitions:

Definition of 'hypaethral'

From: WordNet
adjective
Partly or entirely open to the sky [syn: hypaethral, hypethral]

Definition of 'Hypaethral'

From: GCIDE
  • Hypaethral \Hy*p[ae]"thral\, Hypethral \Hy*pe"thral\, a. [L. hypaethrus in the open air, uncovered, Gr. ?; ? under + ? ether, the clear sky.] (Arch.) Exposed to the air; wanting a roof; -- applied to a building or part of a building. --Gwilt. [1913 Webster]