资料来源 : pyDict

顶上的,顶点的

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

Apical \Ap"ic*al\, a. [L. apex, apicis, tip or summit.]
   At or belonging to an apex, tip, or summit. --Gray.

资料来源 : WordNet®

apical
     adj : situated at an apex