Found 2 items, similar to Zenithal.
English → English (WordNet) Definition: zenithal zenithal adj : relating to or located at or near the zenith
English → English (gcide) Definition: Zenithal Zenithal \Ze"nith*al\, a. Of or pertaining to the zenith. “The deep zenithal blue.” --Tyndall. [1913 Webster]