Meaning of DIAGONAL in English

DIAGONAL

/ daɪˈægənl; NAmE / adjective , noun

■ adjective

( of a straight line ) at an angle; joining two opposite sides of sth at an angle :

diagonal stripes

►  di·ag·onal·ly / -nəli; NAmE / adverb :

Walk diagonally across the field to the far corner and then turn left.

■ noun

a straight line that joins two opposite sides of sth at an angle; a straight line that is at an angle

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WORD ORIGIN

mid 16th cent.: from Latin diagonalis , from Greek diagōnios from angle to angle, from dia through + gōnia angle.

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