Meaning & use

vertex

noun·Academic

The point where two or more lines or edges meet, such as the corner of an angle or shape.

See it in a sentence

Each triangle has three vertices, the points where its sides intersect.

The engineer marked the vertex of the roof's steepest angle.

A note on using this word

The plural is vertices; in geometry it names the meeting point of edges, not just any corner.

Words with a similar meaning

corner

Choose a synonym to suit the sentence. Meanings can overlap without being identical.

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