English to English noun
1 |
the highest point (of something) |  | Example: at the peak of the pyramid
source: wordnet30
2 |
the point on the celestial sphere toward which the sun and solar system appear to be moving relative to the fixed stars |  | source: wordnet30
3 |
The tip, top, point, or angular summit of anything; as, the apex of a mountain, spire, or cone; the apex, or tip, of a leaf. |  | source: webster1913
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