- the tip, point, or vertex; summit.
- climax; peak; acme: His election to the presidency was the apex of his career.
- Astronomy. solar apex.
Origin of apex
Examples from the Web for apexes
The leading design is naturally the Herati, and again one sees the palm leaf with its apexes all pointing in the same direction.Rugs: Oriental and Occidental, Antique & Modern
Rosa Belle Holt
Their apexes will probably come at about K and M in Fig. 208.Toy-Making in School and Home
Ruby Kathleen Polkinghorne and Mabel Irene Rutherford Polkinghorne
It has two cone-shaped superimposed glass globes connected at their apexes through a small opening.Time Telling through the Ages
Harry Chase Brearley
It was the duplicating lines of the departing sun, upon the castellated rocks, as they pierced between the apexes and the basin.Mal Moule
Ella Wheeler Wilcox
The centre gable overlaps the portal beneath, and the apexes of the two side gables are beyond the middle of the two side portals.Cathedral Cities of Italy
William Wiehe Collins
- Advance Purchase Excursion: a reduced airline or long-distance rail fare that must be paid a specified number of days in advance
- (in Britain) Association of Professional, Executive, Clerical, and Computer Staff
- the highest point; vertex
- the pointed end or tip of something
- a pinnacle or high point, as of a career, etc
- Also called: solar apex astronomy the point on the celestial sphere, lying in the constellation Hercules, towards which the sun appears to move at a velocity of 20 kilometres per second relative to the nearest stars
Word Origin and History for apexes
c.1600, from Latin apex "summit, peak, tip, top, extreme end;" probably related to apere "to fasten, fix," hence "the tip of anything" (one of the meanings in Latin was "small rod at the top of the flamen's cap"), from PIE *ap- "to take, reach." Proper plural is apices.
- The pointed end of a conical or pyramidal structure.
- The highest point, especially the vertex of a triangle, cone, or pyramid.