Key: "S:" = Show Synset (semantic) relations, "W:" = Show Word (lexical) relations
Display options for sense: (gloss) "an example sentence"
Noun
S: (n) vertex, peak, apex, acme (the highest point (of something)) "at the peak of the pyramid"
S: (n) apex, solar apex, apex of the sun's way (the point on the celestial sphere toward which the sun and solar system appear to be moving relative to the fixed stars)