Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.

EXAMPLES FROM THE WEB FOR VERTEX

Comate -us: only the upper part of head, or vertex, covered with hair.

Fastigium: Orthoptera; the extreme point or front of vertex.

Facial angle: the angle formed by the junction of the face and vertex.

Vertexal: occurring on or near the vertex, or directed toward it.

Sinciput: in Coleoptera; that part of the vertex between the eyes.

Synciput: that portion of the vertex lying between the eyes.

Black; the joints of the antennæ, from the 6th to 13th, white, the vertex also white.

Also a right line proceeding from the vertex of a cone to the middle of its base.

The summit or vertex of anything; as the upper point of a triangle.

The angle opposite the base of a triangle is called the vertex.

WORD ORIGIN

1560s, "the point opposite the base in geometry," from Latin vertex "highest point," literally "the turning point," originally "whirling column, whirlpool," from vertere "to turn" (see versus). Meaning "highest point of anything" is first attested 1641.

MORE RELATED WORDS FOR VERTEX

Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.