Vertex is a 6 letter English word. It's valid Scrabble word worth 16 points. It's valid Words with friends word worth 17 points.
You can make 60 anagrams from letters in vertex (eertvx).
1560-70; Latin: a whirl, top (of the head), equivalent to vert(ere) to turn + -ex (stem -ic-) noun suffix
The angle opposite the base of a triangle is called the vertex.
Synciput: that portion of the vertex lying between the eyes.
Fastigium: Orthoptera; the extreme point or front of vertex.
The summit or vertex of anything; as the upper point of a triangle.
Comate -us: only the upper part of head, or vertex, covered with hair.
Sinciput: in Coleoptera; that part of the vertex between the eyes.
Facial angle: the angle formed by the junction of the face and vertex.
Also a right line proceeding from the vertex of a cone to the middle of its base.
Black; the joints of the antennæ, from the 6th to 13th, white, the vertex also white.
vertexal: occurring on or near the vertex, or directed toward it.