Comate -us: only the upper part of head, or vertex, covered with hair.
Facial angle: the angle formed by the junction of the face and vertex.
Fastigium: Orthoptera; the extreme point or front of vertex.
Sinciput: in Coleoptera; that part of the vertex between the eyes.
Synciput: that portion of the vertex lying between the eyes.
vertexal: occurring on or near the vertex, or directed toward it.
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.
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.
vertex ver·tex (vûr'těks')
n. pl. ver·tex·es or ver·ti·ces (-tĭ-sēz')
The highest point; the apex.
The topmost point of the vault of the skull; the crown of the head.
The portion of the fetal head bounded by the planes of the trachelobregmatic and biparietal diameters, with the posterior fontanel at the apex.