Meaning of VERTEX in English

VERTEX

/ ˈvɜːteks; NAmE ˈvɜːrt-/ noun ( pl. ver·ti·ces / -tɪsiːz; NAmE / or ver·texes )

1.

( geometry ) a point where two lines meet to form an angle, especially the point of a triangle or cone opposite the base

2.

( technical ) the highest point or top of sth

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WORD ORIGIN

late Middle English : from Latin , whirlpool, crown of a head, vertex , from vertere to turn.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.