apex   (Sound)

The apex has 2 Senses.

• acme, peak, vertex, apex
• 頂上, 頂端, 天頂, 頂, 天辺, 頂点, 絶巓
• the highest point (of something); "at the peak of the pyramid"
• 最高点（何かの）

• solar apex, apex, apex of the sun's way
• 向点, 太陽向点
• the point on the celestial sphere toward which the sun and solar system appear to be moving relative to the fixed stars
• 太陽と太陽系が恒星と関連して動いているような天球のポイント