• Vertex:English meaning: (in mathematics) the point where two lines meet to form an angle, or the point that is opposite the base of a shape/ the highest point of something.Bangla meaning: শীর্ষ; শীর্ষবিন্দু; চূড়া।Plural form: Vertices, vertexes.Example: At the vertex of the mountain, we could see the entire valley spread out below us.Source: Cambridge & Accessible Dictionary.