Found 2 items, similar to hypethral.
English → English (WordNet) Definition: hypethral hypethral adj : partly or entirely open to the sky [syn: hypaethral]
English → English (gcide) Definition: Hypethral 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]