Horizontal meaning: Master the word

Master the word "HORIZONTAL" in English: definitions, translations, synonyms, pronunciations, examples, and grammar insights - all in one complete resource. Horizontal means parallel to or in the plane of the horizon, or at right angles to a vertical line. It can also describe something flat, level, or lying down. See different sources, synonyms, and translations of horizontal. The word horizontal is derived from the Latin horizon, which derives from the Greek ὁρῐ́ζων, meaning 'separating' or 'marking a boundary'. [2] The word vertical is derived from the late Latin verticalis, which is from the same root as vertex, meaning 'highest point' or more literally the 'turning point' such as in a whirlpool. [3] Girard Desargues defined the vertical to be perpendicular to the horizon in his 1636 book Perspective. Horizontal means flat and parallel to the ground, or level with the horizon. Learn more about its usage, pronunciation, and related words in English and other languages.