VERTEX


Meaning of VERTEX in English

n. (pl. vertices or vertexes)

1. the highest point; the top or apex.

2 Geom. a each angular point of a polygon, polyhedron, etc. b a meeting-point of two lines that form an angle. c the point at which an axis meets a curve or surface.

3 Anat. the crown of the head.

Etymology: L vertex -ticis whirlpool, crown of a head, vertex, f. vertere turn

Oxford English vocab.      Оксфордский английский словарь.