vertex
noun
[ ˈvəːtɛks ]
• the highest point; the top or apex.
Similar:
apex,
peak,
tip,
top,
mountaintop,
summit,
pinnacle,
crest,
brow,
crown,
height,
highest point,
acme,
zenith,
apogee,
• each angular point of a polygon, polyhedron, or other figure.
Origin:
late Middle English: from Latin, ‘whirlpool, crown of a head, vertex’, from vertere ‘to turn’.
