资料来源 : pyDict

绝顶的, 天顶的

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Zenithal \Ze"nith*al\, a.
   Of or pertaining to the zenith. ``The deep zenithal blue.''
   --Tyndall.

资料来源 : WordNet®

zenithal
     adj : relating to or located at or near the zenith