noun, plural a·pex·es, a·pi·ces [ey-puh-seez, ap-uh-] /ˈeɪ pəˌsiz, ˈæp ə-/.
Origin of apex
Examples from the Web for apexes
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 Household Cavalry were given helmets with weeping plumes fixed to the apexes.Chats on Military Curios|Stanley C. Johnson
It has two cone-shaped superimposed glass globes connected at their apexes through a small opening.Time Telling through the Ages|Harry Chase Brearley
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
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
British Dictionary definitions for apexes (1 of 2)
n acronym for
British Dictionary definitions for apexes (2 of 2)
noun plural apexes or apices (ˈæpɪˌsiːz, ˈeɪ-)
Word Origin for apex
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.