Definitions for vertexˈvɜr tɛks; -təˌsiz
Random House Webster's College Dictionary
ver•texˈvɜr tɛks; -təˌsiz(n.)(pl.)-tex•es, -ti•ces
the highest point; apex.
the top of the head.
Category: Anatomy, Zoology
a point in the celestial sphere toward which or from which the common motion of a group of stars is directed.
Geom. the point farthest from the base. a point in a geometrical solid common to three or more sides. the intersection of two sides of a plane figure.
Origin of vertex:
1560–70; < L: whirl, top (of the head), der. of vert(ere) to turn
the point of intersection of lines or the point opposite the base of a figure
vertex, peak, apex, acme(noun)
the highest point (of something)
"at the peak of the pyramid"
The highest point of something.
A point in 3D space, usually given in terms of its Cartesian coordinates.
The highest surface on the skull.
The point where the surface of an optical element (e.g. lens) crosses the optical axis.
(nuclear or particle physics) the interaction point.
where the Prime Vertical meets the ecliptic in the west.
Origin: vertex, from vertere
a turning point; the principal or highest point; top; summit; crown; apex
the top, or crown, of the head
the zenith, or the point of the heavens directly overhead
the point in any figure opposite to, and farthest from, the base; the terminating point of some particular line or lines in a figure or a curve; the top, or the point opposite the base
Dictionary of Military and Associated Terms
In artillery and naval gunfire support, the highest point in the trajectory of a projectile.